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Search: id:A137151
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A137151 Triangle read by rows: A007318 * A026794. +0
2
1, 2, 1, 5, 2, 1, 13, 4, 3, 1, 34, 9, 6, 4, 1, 88, 22, 11, 10, 5, 1, 225, 55, 22, 20, 15, 6, 1, 569, 137, 50, 36, 35, 21, 7, 1, 1425, 338, 122, 65, 70, 56, 28, 8, 1, 3538, 826, 302, 130, 127, 126, 84, 36, 9, 1, 8717, 2002, 740, 296, 221, 252, 210, 120, 45, 10, 1 (list; table; graph; listen)
OFFSET

1,2

COMMENT

Row sums = A103446: (1, 3, 8, 21, 54, 137, 344,...)

FORMULA

Binomial transform of the partition triangle, A026794

EXAMPLE

First few rows of the triangle are:

1;

2, 1;

5, 2, 1;

13, 4, 3, 1;

34, 9, 6, 4, 1;

88, 22, 11, 10, 5, 1;

225, 55, 22, 20, 15, 6, 1;

569, 137, 50, 36, 35, 21, 7, 1;

...

CROSSREFS

Cf. A026794, A103446.

Sequence in context: A128514 A126075 A134032 this_sequence A048494 A047848 A110874

Adjacent sequences: A137148 A137149 A137150 this_sequence A137152 A137153 A137154

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 23 2008

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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