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A004096
Catalan numbers written backwards.
2
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
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
KEYWORD
nonn,base
EXTENSIONS
More terms from Eric M. Schmidt, Apr 04 2014
STATUS
approved