A114623 Number of nodes in row n of the power tree A114622.

1, 1, 2, 3, 5, 9, 15, 26, 43, 78, 134, 238, 415, 731, 1299, 2299, 4126, 7374, 13257, 23847, 42864, 77366, 140071, 254241, 461967, 839829, 1528072, 2782636, 5076421, 9274937, 16973162, 31101087, 57016626, 104600473, 191919113, 352396874, 647655110

Offset

1,3

Comments

Terms computed by Hugo Pfoertner; see entry A114622 for definition, references and links.

Links

Table of n, a(n) for n=1..37.

Crossrefs

Cf. A114622 (power tree), A114624 (row sums), A114625 (leftmost nodes in rows).

Sequence in context: A005517 A034063 A034073 * A079971 A355805 A073031

Adjacent sequences: A114620 A114621 A114622 * A114624 A114625 A114626

Keyword

nonn,hard,more

Author

Hugo Pfoertner and Paul D. Hanna, Dec 20 2005

Extensions

a(32)-a(33) from Hugo Pfoertner, Sep 05 2015

a(34) from Hugo Pfoertner, Oct 01 2015

a(35)-a(37) from Michael S. Branicky, Apr 30 2024

Status

approved