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Search: id:A134346
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| 1, 3, 3, 7, 14, 7, 15, 45, 45, 15, 31, 124, 186, 124, 31, 63, 315, 630, 630, 315, 63, 127, 762, 1905, 2540, 1905, 762, 127, 255, 1785, 5355, 8925, 8925, 5355, 1785, 255, 511, 4088, 14308, 28616, 35770, 28616, 14308, 4088, 511
(list; table; graph; listen)
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OFFSET
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0,2
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COMMENT
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Row sums = A006516: (1, 6, 28, 120, 490,...). Inverse binomial transform of A134346 = A134347A
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FORMULA
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A124929 * A007318 as infinite lower triangular matrices, where A124929 = (1; 0,3; 0,0,7; 0,0,0,15;...).
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EXAMPLE
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First few rows of the triangle are:
1;
3, 3;
7, 14, 7;
15, 45, 45, 15;
31, 124, 186, 124, 31;
63, 315, 630, 630, 315, 63;
...
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CROSSREFS
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Cf. A006516, A124929, A134347.
Sequence in context: A096188 A065876 A095008 this_sequence A049772 A119470 A060368
Adjacent sequences: A134343 A134344 A134345 this_sequence A134347 A134348 A134349
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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), Oct 21 2007
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