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A091497
Number of nonzero terms in the n-th row of triangle A091492.
2
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
CROSSREFS
Cf. A091492, A091493. Different from A087817 and A087836.
Sequence in context: A060802 A132073 A087817 * A005707 A087828 A330779
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Jan 16 2004
STATUS
approved