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

Author

Paul D. Hanna, Jan 16 2004

Keywords

• nonn

Crossrefs

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