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#30 by Alois P. Heinz at Sun Mar 21 17:28:11 EDT 2021
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#29 by Michael De Vlieger at Fri Mar 19 23:28:10 EDT 2021
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#28 by Michael De Vlieger at Fri Mar 19 23:28:07 EDT 2021
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Michael De Vlieger, <a href="/A006191/b006191.txt">Table of n, a(n) for n = 1..1928</a>
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proposed
editing
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#27 by Alois P. Heinz at Fri Mar 19 10:49:29 EDT 2021
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#26 by Alois P. Heinz at Fri Mar 19 10:48:49 EDT 2021
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<a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (4,-3,2,1).
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nonn,walk,easy,changed
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#25 by Alois P. Heinz at Fri Mar 19 10:46:55 EDT 2021
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Conjectures fromFrom Colin Barker, Jan 20 2017: (Start)
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approved
editing
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#24 by Alois P. Heinz at Fri Mar 19 10:46:20 EDT 2021
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| MATHEMATICA
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LinearRecurrence[{4, -3, 2, 1}, {1, 2, 5, 16}, 30] (* Harvey P. Dale, Mar 22 2018 *)
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| KEYWORD
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nonn,walk,changed
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reviewed
approved
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#23 by Joerg Arndt at Fri Mar 19 09:37:14 EDT 2021
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Discussion
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| Fri Mar 19
| 09:38
| Joerg Arndt: Wait. A006189 has a rational g.f. and we have "a(n) = 1 + Sum_{k=1..n-1} A006189(k).". So the conjecture holds.
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| 10:13
| Bruno Berselli: I agree... then we must remove "conjecture", right?
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| 10:45
| Alois P. Heinz: will revert and remove conjecture ...
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#22 by Bruno Berselli at Fri Mar 19 08:57:35 EDT 2021
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#21 by Bruno Berselli at Fri Mar 19 08:57:01 EDT 2021
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| MATHEMATICA
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LinearRecurrence[{4, -3, 2, 1}, {1, 2, 5, 16}, 30] (* Harvey P. Dale, Mar 22 2018 *)
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approved
editing
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Discussion
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| Fri Mar 19
| 08:57
| Bruno Berselli: Mathematica with conjecture...
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