A062860 Smallest j with n nodes in its riff (rooted index-functional forest).

1, 2, 3, 5, 10, 15, 30, 55, 105, 165, 330, 660, 1155, 2145, 4290, 7755, 15015, 30030, 54285, 100815, 201630, 403260, 705705, 1411410, 2822820, 5645640, 11392095, 20465445, 40930890, 79744665, 159489330, 318978660, 637957320, 1321483020

Offset

0,2

Comments

Greatest j with n nodes in its riff is given by A014221(n+1).

Links

Table of n, a(n) for n=0..33.

J. Awbrey, Riffs and Rotes

Crossrefs

Cf. A014221, A061396, A062504, A062537, A111800.

Sequence in context: A133335 A062925 A118728 * A024369 A306006 A364641

Adjacent sequences: A062857 A062858 A062859 * A062861 A062862 A062863

Keyword

nonn

Author

Jon Awbrey, Jun 25 2001

Extensions

More terms from David W. Wilson, Jun 26 2001

Status

approved