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A232088
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Table read by rows: Replace last term of the n-th row with 1,1,2,4,...,2^n to get the next row.
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1
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1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 4, 1, 1, 1, 1, 1, 2, 1, 1, 2, 4, 8, 1, 1, 1, 1, 1, 2, 1, 1, 2, 4, 1, 1, 2, 4, 8, 16, 1, 1, 1, 1, 1, 2, 1, 1, 2, 4, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 16, 32, 1, 1, 1, 1, 1, 2, 1, 1, 2, 4, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 16, 1, 1, 2, 4, 8, 16, 32, 64
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OFFSET
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0,7
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COMMENTS
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Suggested (without definition) by A. Groeneveld in reply to a question on the SeqFan list.
The "limiting row" is given by A232089.
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LINKS
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EXAMPLE
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The table goes like:
(row n=0) 1
(row n=1) 1, 1
(row n=2) 1, 1, 1, 2
(row n=3) 1, 1, 1, 1, 1, 2, 4
(row n=4) 1, 1, 1, 1, 1, 2, 1, 1, 2, 4, 8
(row n=5) 1, 1, 1, 1, 1, 2, 1, 1, 2, 4, 1, 1, 2, 4, 8, 16
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PROG
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(PARI) list_A232088(nRows, a=[1])=for(i=1, nRows, print(a); a[#a]=vector(i+1, j, max(2^(j-2), 1)); a=concat(a)); a
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CROSSREFS
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Row lengths are A000124(n)=n(n+1)/2+1.
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KEYWORD
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nonn,easy,tabf
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AUTHOR
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STATUS
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approved
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