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#21 by Peter Luschny at Fri Jun 04 02:32:51 EDT 2021
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#20 by Michel Marcus at Thu Jun 03 23:36:01 EDT 2021
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#19 by Jon E. Schoenfield at Thu Jun 03 22:32:47 EDT 2021
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#18 by Jon E. Schoenfield at Thu Jun 03 22:32:28 EDT 2021
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Expansion of x * f(x, x) * f(x, x^17) in powers of x werewhere f(, ) is Ramanujan's general theta function.
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approved
editing
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Discussion
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| Thu Jun 03
| 22:32
| Jon E. Schoenfield: "Gimme an 'h'! …" :-)
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#17 by Charles R Greathouse IV at Fri Mar 12 22:24:48 EST 2021
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M. Michael Somos, <a href="/A010815/a010815.txt">Introduction to Ramanujan theta functions</a>
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Discussion
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| Fri Mar 12
| 22:24
| OEIS Server: https://oeis.org/edit/global/2897
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#16 by N. J. A. Sloane at Wed Nov 13 21:58:51 EST 2019
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M. Somos, <a href="http://somos.crg4.com="/A010815/multiqa010815.htmltxt">Introduction to Ramanujan theta functions</a>
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Discussion
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| Wed Nov 13
| 21:58
| OEIS Server: https://oeis.org/edit/global/2832
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#15 by Bruno Berselli at Mon Sep 25 04:12:27 EDT 2017
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#14 by Michel Marcus at Mon Sep 25 02:50:04 EDT 2017
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#13 by Michel Marcus at Mon Sep 25 02:50:00 EDT 2017
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f(x,x^m) = 1 + Sum__{k=>=1..oo} x^((m+1)*k*(k-1)/2) (x^k + x^(m*k)). - N. J. A. Sloane, Jan 30 2017
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proposed
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#12 by G. C. Greubel at Sun Sep 24 15:23:12 EDT 2017
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