A128521 - OEIS

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A128521

A128174 * A054525 * A000012.

1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 2, 2, 1, 1, 0, 0, 1, 2, 1, 1, 1, 3, 3, 2, 2, 1, 1, 0, 0, 1, 2, 2, 2, 1, 1, 1, 3, 3, 3, 3, 2, 2, 1, 1, 0, -1, 1, 2, 2, 3, 2, 2, 1, 1

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

OFFSET

1,12

COMMENTS

Row sums = A106477: (1, 1, 3, 3, 7, 5, 13, 9, 19, 13, ...). A128522 = A054525 * A128174 * A000012.

LINKS

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

FORMULA

A128174 * A054525 * A000012 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle:

0, 1;