A130452 - OEIS

A130452

Triangle read by rows: A097806 * A130321 as infinite lower triangular matrices.

1, 3, 1, 6, 3, 1, 12, 6, 3, 1, 24, 12, 6, 3, 1, 48, 24, 12, 6, 3, 1, 96, 48, 24, 12, 6, 3, 1, 192, 96, 48, 24, 12, 6, 3, 1, 384, 192, 96, 48, 24, 12, 6, 3, 1, 768, 384, 192, 96, 48, 24, 12, 6, 3, 1, 1536, 768, 384, 192, 96, 48, 24, 12, 6, 3, 1, 3072, 1536, 768, 384, 192, 96, 48, 24, 12, 6, 3, 1

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OFFSET

1,2

COMMENTS

Row sums = A033484: (1, 4, 10, 22, 46, 94, 190, ...).

LINKS

Table of n, a(n) for n=1..78.

FORMULA

A097806 * A130321 as infinite lower triangular matrices. A097806 = the pairwise operator, A130321 = [1; 2,1; 4,2,1; ...]. Triangle, A003945 (1, 3, 6, 12, 24, 48, ...) in every column.

EXAMPLE

First few rows of the triangle:

3, 1;

6, 3, 1;

12, 6, 3, 1;

24, 12, 6, 3, 1;

48, 24, 12, 6, 3, 1;

...

CROSSREFS

Cf. A003945, A033484, A097806, A130321.

Sequence in context: A065567 A100861 A131031 * A133085 A039805 A094504

Adjacent sequences: A130449 A130450 A130451 * A130453 A130454 A130455