A243491 - OEIS

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A243491

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

5

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

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

OFFSET

0,2

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)

FORMULA

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

PROG

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

CROSSREFS

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

Sequence in context: A243493 A127301 A209636 * A271863 A341220 A253563

Adjacent sequences: A243488 A243489 A243490 * A243492 A243493 A243494

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jun 07 2014

STATUS

approved