A112846 Number of riffs on n or fewer nodes. Number of rotes on 2n+1 or fewer nodes.

1, 2, 4, 10, 30, 103, 384, 1508, 6126, 25513, 108278, 466523, 2034981, 8968746, 39875940, 138760603, 178636543, 3026583484, 16028356176, 75647274620, 350111055991, 1618175863400, 7495933933620, 34821723061950

Offset

0,2

Comments

Partial sums of A061396.

Links

Table of n, a(n) for n=0..23.

J. Awbrey, Riffs and Rotes

Crossrefs

Cf. A000079, A001221, A007097, A014221, A050924.

Cf. A061396, A062504, A062537, A062860, A106177.

Cf. A109300, A109301, A111791 to A111800.

Cf. A112095, A112096, A112480, A112481.

Sequence in context: A092073 A274232 A360322 * A050397 A186021 A332650

Adjacent sequences: A112843 A112844 A112845 * A112847 A112848 A112849

Keyword

nonn

Author

Jon Awbrey, Oct 04 2005, based on calculations by Vladeta Jovovic and David W. Wilson

Status

approved