# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a004096 Showing 1-1 of 1 %I A004096 #22 Sep 08 2022 08:44:32 %S A004096 1,1,2,5,41,24,231,924,341,2684,69761,68785,210802,9247,444762, %T A004096 5484969,7675353,97446921,7836774,913627671,240214656,2076266442, %U A004096 4636528419,56316950343,4237414099821,2541046491684,25127035376381,40061905533596,63057159747362 %N A004096 Catalan numbers written backwards. %H A004096 Alois P. Heinz, Table of n, a(n) for n = 0..1000 %F A004096 a(n) = A004086(A000108(n)). - _Michel Marcus_, Apr 05 2014 %p A004096 a:= n-> (s-> parse(cat(s[-i]$i=1..length(s))))( %p A004096 ""||(binomial(2*n, n)/(n+1))): %p A004096 seq(a(n), n=0..50); # _Alois P. Heinz_, Apr 09 2015 %t A004096 FromDigits[Reverse[IntegerDigits[#]]]&/@CatalanNumber[Range[0, 40]] (* _Vincenzo Librandi_, Jan 21 2016 *) %o A004096 (Magma) [Seqint(Reverse(Intseq(Catalan(n)))): n in [0..40]]; // _Vincenzo Librandi_, Jan 21 2016 %Y A004096 Cf. A000108. %K A004096 nonn,base %O A004096 0,3 %A A004096 _N. J. A. Sloane_ %E A004096 More terms from _Eric M. Schmidt_, Apr 04 2014 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE