login
A159986
Catalan numbers read modulo 7.
0
1, 1, 2, 5, 0, 0, 6, 2, 2, 4, 3, 0, 0, 4, 6, 6, 5, 2, 0, 0, 4, 6, 6, 5, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 2, 2, 4, 3, 0, 0, 5, 4, 4, 1, 6, 0, 0, 1, 5, 5, 3, 4, 0, 0, 1, 5, 5, 3, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 6, 6, 5, 2, 0, 0, 1, 5
OFFSET
0,3
FORMULA
a(n) = A000108(n) mod 7.
CROSSREFS
Cf. A000108 (Catalan numbers).
Sequence in context: A020773 A249422 A100085 * A065452 A370541 A004598
KEYWORD
easy,nonn
AUTHOR
Philippe Deléham, Apr 28 2009
EXTENSIONS
More terms from Philippe Deléham, Sep 16 2009
Corrected and extended by Philippe Deléham, Oct 23 2011
STATUS
approved