A243491 Matula-Goebel signature computed for trees rearranged by Catalan automorphism *A069787: a(n) = A127301(A069787(n)).

1, 2, 4, 3, 8, 6, 7, 6, 5, 16, 12, 14, 12, 10, 19, 13, 14, 12, 9, 17, 13, 10, 11, 32, 24, 28, 24, 20, 38, 26, 28, 24, 18, 34, 26, 20, 22, 53, 37, 43, 37, 29, 38, 26, 28, 24, 18, 21, 21, 18, 15, 67, 41, 43, 37, 23, 34, 26, 20, 15, 59, 41, 29, 22, 31, 64, 48, 56, 48, 40

Offset: 0

Author

Antti Karttunen, Jun 07 2014

Keywords

• nonn

Comments

See the comments at A243492.

Links

• Antti Karttunen, Table of n, a(n) for n = 0..6917
• A. Karttunen, On the fixed points of A071661 (Notes in OEIS Wiki)

Crossrefs

A243492 gives the differences from A127301. Cf. also A243490, A243493.

Programs

Scheme

(define (A243491 n) (A127301 (A069787 n)))

Formula

a(n) = A127301(A069787(n)).