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A134714
Concatenation of next n Catalan numbers.
1
1, 12, 51442, 13242914304862, 16796587862080127429002674440, 96948453535767012964479047763870017672631906564120420, 2446626702091482563640343059613650128990414732448619464014521836735307215269533550916004
OFFSET
1,2
LINKS
MATHEMATICA
Module[{nn=50, cn}, cn=CatalanNumber[Range[0, nn]]; Table[ FromDigits[ Flatten[ IntegerDigits/@ Take[cn, {(n(n+1))/2+1, ((n+1)(n+2))/2}]]], {n, 0, Floor[ (Sqrt[ 8*nn+1]-1)/2]-1}]] (* Harvey P. Dale, May 15 2014 *)
Module[{nn=8}, FromDigits[Flatten[IntegerDigits/@#]]&/@Rest[TakeList[CatalanNumber[Range[0, (nn(nn+1))/2-1]], Range[0, nn-1]]]] (* Harvey P. Dale, Oct 06 2024 *)
CROSSREFS
Cf. A053067, A053068, A133013. Catalan numbers: A000108.
Sequence in context: A277693 A049504 A308374 * A127223 A076691 A272163
KEYWORD
easy,nonn,base
AUTHOR
Omar E. Pol, Nov 12 2007
EXTENSIONS
Edited by Charles R Greathouse IV, Apr 25 2010
STATUS
approved