A130127 -id:A130127

Search: a130127 -id:a130127

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A128971

A130125 * A000012.

+10
0

1, 2, 2, 5, 4, 4, 10, 10, 8, 8, 21, 20, 20, 16, 16, 42, 42, 40, 40, 32, 32, 85, 84, 84, 80, 80, 64, 64, 170, 170, 168, 168, 160, 160, 128

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

0,2

COMMENTS

Left column = A000975: (1, 2, 5, 10, 21, 42, ...). Row sums = A102301: (1, 4, 13, 36, 93, ...). A130127 = A000012 * A130125.

LINKS

FORMULA

A130125 * A000012 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle:

2, 2;

5, 4, 4;

10, 10, 8, 8;

21, 20, 20, 16, 16;

42, 42, 40, 40, 32, 32;

85, 84, 84, 80, 80, 64, 64;

...

CROSSREFS

KEYWORD

nonn,tabl

AUTHOR

STATUS

approved

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