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Search: id:A132924
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| A132924 |
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Triangle read by columns, 2^(n-1) followed by (2^(n-1) + 1), (2^(n-1) + 2), (2^(n-1) + 3),... |
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+0
2
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| 1, 2, 2, 3, 3, 4, 4, 4, 5, 8, 5, 5, 6, 9, 16, 6, 6, 7, 10, 17, 32, 7, 7, 8, 11, 18, 33, 64, 8, 8, 9, 12, 19, 34, 65, 128, 9, 9, 10, 13, 20, 35, 66, 129, 256, 10, 10, 11, 14, 21, 36, 67, 130, 257, 512, 11, 11, 12, 15, 22, 37, 68, 131, 258, 513, 1024, 12, 12, 13, 16, 23, 38, 69, 132
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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Row sums = A132925. Right border = 2^0, 2^1, 2^2,...
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EXAMPLE
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First few rows of the triangle are:
1;
2, 2;
3, 3, 4;
4, 4, 5, 8;
5, 5, 6, 9, 16;
6, 6, 7, 10, 17, 32;
7, 7, 8, 11, 18, 33, 64;
...
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MAPLE
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A132924 := proc(n, m) n+2^m-m ; end: seq(seq(A132924(n, m), m=0..n), n=0..13) ; [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 23 2009]
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CROSSREFS
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Cf. A132925.
Sequence in context: A134482 A132921 A028825 this_sequence A076890 A103358 A063084
Adjacent sequences: A132921 A132922 A132923 this_sequence A132925 A132926 A132927
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 05 2007
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EXTENSIONS
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More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 23 2009
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