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A136787 Triangle read by rows: A107131 * A000012. +0
3
1, 1, 1, 2, 2, 1, 4, 4, 4, 1, 9, 9, 9, 7, 1, 21, 21, 21, 21, 11, 1, 51, 51, 51, 51, 46, 16, 1, 127, 127, 127, 127, 127, 92, 22, 1, 323, 323, 323, 323, 323, 309, 169, 29, 1, 835, 835, 835, 835, 835, 835, 709, 289, 37, 1 (list; table; graph; listen)
OFFSET

1,4

COMMENT

Row sums = A005773 starting (1, 2, 5, 13, 35, 96, 267,...). Leftmost column = A1001006: (1, 1, 2, 4, 9, 21, 51,...). A136788 = A000012 * A107131

FORMULA

A107131 * A000012 as infinite lower triangular matrices.

EXAMPLE

Frist few rows of the triangle are:

1;

1, 1;

2, 2, 1;

4, 4, 4, 1;

9, 9, 9, 7, 1;

21, 21, 21, 21, 11, 1;

51, 51, 51, 51, 46, 16, 1;

127, 127, 127, 127, 127, 92, 22, 1;

...

CROSSREFS

Cf. A005773, A001006, A136788.

Sequence in context: A104040 A110664 A061436 this_sequence A165038 A145036 A001404

Adjacent sequences: A136784 A136785 A136786 this_sequence A136788 A136789 A136790

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 21 2008

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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