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A130453 A097806 * A059268. 0
1, 2, 2, 2, 4, 4, 2, 4, 8, 8, 2, 4, 8, 16, 16, 2, 4, 8, 16, 32, 32, 2, 4, 8, 16, 32, 64, 64, 2, 4, 8, 16, 32, 64, 128, 128 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row sums = A033484: (1, 4, 10, 22, 46, 94,...). A130459 = A059268 * A097806.

LINKS

Table of n, a(n) for n=1..36.

FORMULA

A097806 * A059268 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

1;

2, 2;

2, 4, 4;

2, 4, 8, 8;

2, 4, 8, 16, 16;

2, 4, 8, 16, 32, 32;

...

CROSSREFS

Cf. A097806, A059268, A033484, A130459.

Sequence in context: A206424 A117728 A172309 * A259981 A070705 A216326

Adjacent sequences:  A130450 A130451 A130452 * A130454 A130455 A130456

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, May 26 2007

STATUS

approved

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Last modified July 11 17:22 EDT 2020. Contains 335626 sequences. (Running on oeis4.)