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Search: id:A134510
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| 1, 1, 1, 3, 1, 1, 4, 4, 1, 1, 8, 5, 5, 1, 1, 12, 12, 6, 6, 1, 1, 21, 17, 17, 7, 7, 1, 1, 33, 33, 23, 23, 8, 8, 1, 1, 55, 50, 50, 30, 30, 9, 9, 1, 1, 88, 88, 73, 73, 38, 38, 10, 10, 1, 1
(list; table; graph; listen)
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OFFSET
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1,4
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COMMENT
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Row sums = the nonzero terms of A001629: (1, 2, 5, 10, 20, 38, 71,...) such that A001629(n+1) = row sums of triangle A134510.
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FORMULA
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A112552 * A128174 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 1;
3, 1, 1;
4, 4, 1, 1;
8, 5, 5, 1, 1;
12, 12, 6, 6, 1, 1;
21, 17, 17, 7, 7, 1, 1;
33, 33, 23, 23, 8, 8, 1, 1;
55, 50, 50, 30, 30, 9, 9, 1, 1;
...
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CROSSREFS
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Cf. A112552, A128174, A001629.
Sequence in context: A026747 A026374 A102716 this_sequence A124020 A124234 A135226
Adjacent sequences: A134507 A134508 A134509 this_sequence A134511 A134512 A134513
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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 28 2007
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