A091497 Number of nonzero terms in the n-th row of triangle A091492.

1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 6, 6, 6, 6, 6, 7, 7, 8, 8, 8, 8, 8, 8, 9, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 12, 12, 13, 13, 13, 13, 14, 15, 15, 15, 15, 15, 15, 15, 15, 16, 17, 17, 17, 18, 18, 18, 18, 18, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 21

Offset

0,2

Links

Table of n, a(n) for n=0..70.

Crossrefs

Cf. A091492, A091493. Different from A087817 and A087836.

Sequence in context: A060802 A132073 A087817 * A005707 A087828 A330779

Adjacent sequences: A091494 A091495 A091496 * A091498 A091499 A091500

Keyword

nonn

Author

Paul D. Hanna, Jan 16 2004

Status

approved