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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 (list; graph; refs; listen; history; text; internal format)
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 A110867

Adjacent sequences:  A091494 A091495 A091496 * A091498 A091499 A091500

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Jan 16 2004

STATUS

approved

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Last modified June 19 23:01 EDT 2019. Contains 324222 sequences. (Running on oeis4.)