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A130127 A000012 * A130125. 1
1, 1, 2, 2, 2, 4, 2, 4, 4, 8, 3, 4, 8, 8, 16, 3, 6, 8, 16, 16, 32, 4, 6, 12, 16, 32, 32, 64, 4, 8, 12, 24, 32, 64, 64, 128, 5, 8, 16, 24, 48, 64, 128, 128, 256, 5, 10, 16, 32, 48, 96, 128, 256, 256, 512 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Row sums = A011377: (1, 3, 8, 18, 39,...). A130126 = A130125 * A000012.

LINKS

Table of n, a(n) for n=1..55.

FORMULA

A000012 * A130125

EXAMPLE

First few rows of the triangle are:

1;

1, 2;

2, 2, 4;

2, 4, 4, 8;

3, 4, 8, 8, 16;

3, 6, 8, 16, 16, 32;

4, 6, 12, 16, 32, 32, 64;

...

CROSSREFS

Cf. A000012, A130125, A130126, A011377.

Sequence in context: A220498 A105681 A240039 * A217982 A184727 A286849

Adjacent sequences:  A130124 A130125 A130126 * A130128 A130129 A130130

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, May 11 2007

STATUS

approved

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Last modified March 19 23:02 EDT 2019. Contains 321343 sequences. (Running on oeis4.)