A159989 Catalan numbers read modulo 12.

1, 1, 2, 5, 2, 6, 0, 9, 2, 2, 8, 10, 4, 4, 0, 9, 6, 6, 0, 6, 0, 0, 0, 6, 0, 0, 8, 8, 8, 4, 4, 1, 6, 6, 0, 10, 4, 4, 8, 2, 8, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 6, 6, 0, 6, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 6, 8, 8, 8, 4, 4, 4, 0, 0, 0, 4, 4, 4, 8, 8, 8, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 8, 8, 8, 0, 0, 0, 8, 8, 8

Offset

0,3

Links

Table of n, a(n) for n=0..118.

Formula

a(n)= A000108(n) mod 12.

Mathematica

Mod[ #, 12]&/@CatalanNumber[Range[0, 40]] (* Harvey P. Dale, May 12 2009 *)

Crossrefs

Sequence in context: A240774 A198604 A198253 * A195702 A309714 A309431

Adjacent sequences: A159986 A159987 A159988 * A159990 A159991 A159992

Keyword

easy,nonn

Author

Philippe Deléham, Apr 28 2009

Extensions

More terms from Harvey P. Dale, May 12 2009

Further terms from N. J. A. Sloane, Mar 24 2014

Status

approved