A137585 - OEIS

A137585

Triangle read by rows: A054525 * A026794.

1, 0, 1, 1, 0, 1, 2, 0, 0, 1, 4, 1, 0, 0, 1, 5, 1, 0, 0, 0, 1, 10, 2, 1, 0, 0, 0, 1, 12, 3, 1, 0, 0, 0, 0, 1, 20, 4, 1, 1, 0, 0, 0, 0, 1, 25, 5, 2, 1, 0, 0, 0, 0, 0, 1, 41, 8, 3, 1, 1, 0, 0, 0, 0, 0, 1, 47, 10, 3, 1, 1, 0, 0, 0, 0, 0, 0, 1, 76, 14, 5, 2, 1, 1, 0, 0, 0, 0, 0, 0, 1

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OFFSET

1,7

COMMENTS

Row sums = A000837 starting (1, 1, 2, 3, 6, 7, 14, 17, ...).

LINKS

Table of n, a(n) for n=1..91.

FORMULA

Mobius transform of A026794, the partition triangle.

EXAMPLE

First few rows of the triangle:

0, 1;