A243493 -id:A243493 - cp's OEIS frontend

A243494 A243493 sorted into ascending order, with duplicates removed.

1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 14, 16, 20, 22, 23, 24, 26, 28, 31, 32, 34, 37, 39, 40, 44, 46, 47, 48, 52, 56, 61, 62, 64, 68, 74, 76, 78, 80, 86, 88, 89, 92, 94, 96, 101, 104, 109, 112, 113, 118, 122, 123, 124

Offset: 0

Antti Karttunen, Jun 07 2014

nonn

Antti Karttunen, Table of n, a(n) for n = 0..137

Subsequences: A000079, A007097.

Cf. A243493, A209638, A243497.

A243490 Fixed points of A069787: Numbers n such that A069787(n) = n.

Original entry on oeis.org

0, 1, 2, 3, 4, 5, 8, 9, 10, 13, 16, 20, 22, 23, 24, 27, 30, 34, 36, 54, 55, 56, 64, 65, 66, 69, 72, 76, 78, 96, 97, 98, 106, 126, 136, 157, 158, 162, 165, 183, 186, 193, 196, 197, 198, 201, 204, 208, 210, 228, 229, 230, 238, 258, 268, 289, 290, 294, 297, 315

Offset: 0

Antti Karttunen, Jun 07 2014

nonn

Although in principle a list, the indexing of this sequence starts from zero, as 0 is always fixed by all Catalan bijections (permutations induced by bijective operations performed on A014486), so it is a trivial case, which can be skipped by considering only values from a(n>=1) onward.

Sequence gives also the positions of all zeros in A243492.

Antti Karttunen, Table of n, a(n) for n = 0..7059

Complement: A243489.
Fixed points of A069787, positions of zeros in A243492.
Cf. also A001405, A036256, A061856, A126312, A079442, A243493.

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

Original entry on oeis.org

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

Antti Karttunen, Jun 07 2014

nonn

See the comments at A243492.

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

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

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

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

cp's OEIS Frontend

A243494 A243493 sorted into ascending order, with duplicates removed.

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A243490 Fixed points of A069787: Numbers n such that A069787(n) = n.

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

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