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Search: id:A131052
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A131052 A131047 * A000012. +0
2
1, 2, 2, 4, 3, 3, 8, 8, 4, 4, 16, 15, 15, 5, 5, 32, 32, 26, 26, 6, 6, 64, 63, 63, 42, 42, 7, 7, 128, 128, 120, 120, 64, 64, 8, 8 (list; table; graph; listen)
OFFSET

1,2

COMMENT

Row sums = A087447: (1, 4, 10, 24, 56,...). A131053 = A000012 * A131047.

FORMULA

A131047 * A000012 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

1;

2, 2;

4, 3, 3;

8, 8, 4, 4;

16, 15, 15, 5, 5;

32, 32, 26, 26, 6, 6;

64, 63, 63, 42, 42, 7, 7;

...

CROSSREFS

Cf. A131047, A087447, A131053.

Sequence in context: A002948 A117113 A128590 this_sequence A051297 A078317 A105016

Adjacent sequences: A131049 A131050 A131051 this_sequence A131053 A131054 A131055

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Jun 12 2007

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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