A004096 Catalan numbers written backwards.

1, 1, 2, 5, 41, 24, 231, 924, 341, 2684, 69761, 68785, 210802, 9247, 444762, 5484969, 7675353, 97446921, 7836774, 913627671, 240214656, 2076266442, 4636528419, 56316950343, 4237414099821, 2541046491684, 25127035376381, 40061905533596, 63057159747362

Offset

0,3

Links

Alois P. Heinz, Table of n, a(n) for n = 0..1000

Formula

a(n) = A004086(A000108(n)). - Michel Marcus, Apr 05 2014

Maple

a:= n-> (s-> parse(cat(s[-i]$i=1..length(s))))(
         ""||(binomial(2*n, n)/(n+1))):
seq(a(n), n=0..50);  # Alois P. Heinz, Apr 09 2015

Mathematica

FromDigits[Reverse[IntegerDigits[#]]]&/@CatalanNumber[Range[0, 40]] (* Vincenzo Librandi, Jan 21 2016 *)

Prog

(Magma) [Seqint(Reverse(Intseq(Catalan(n)))): n in [0..40]]; // Vincenzo Librandi, Jan 21 2016

Crossrefs

Cf. A000108.

Sequence in context: A162035 A366358 A245242 * A156152 A106885 A072439

Adjacent sequences: A004093 A004094 A004095 * A004097 A004098 A004099

Keyword

nonn,base

Author

N. J. A. Sloane

Extensions

More terms from Eric M. Schmidt, Apr 04 2014

Status

approved