login
A146097
Bell numbers (A000110) read mod 7.
4
1, 1, 2, 5, 1, 3, 0, 2, 3, 0, 6, 4, 3, 2, 5, 3, 6, 3, 0, 5, 0, 1, 2, 2, 3, 5, 5, 1, 3, 4, 5, 1, 3, 6, 4, 0, 2, 6, 4, 2, 3, 4, 2, 1, 3, 6, 5, 0, 6, 3, 4, 2, 4, 5, 6, 2, 0, 6, 6, 2, 4, 1, 2, 6, 5, 1, 6, 5, 3, 1, 4, 6, 0, 4, 1, 4, 5, 3, 6, 4, 5, 5, 2, 1, 2, 3, 2, 3, 0, 3, 3, 5, 5, 5, 3, 3, 6, 1, 3, 3, 1, 6, 2, 0, 4
OFFSET
0,3
LINKS
W. F. Lunnon, P. A. B. Pleasants, and N. M. Stephens, Arithmetic properties of Bell numbers to a composite modulus I, Acta Arithmetica 35 (1979), pp. 1-16.
FORMULA
a(n+137257) = a(n). - G. C. Greubel, Jan 31 2016
MAPLE
seq(combinat:-bell(n) mod 7, n=0..100); # Robert Israel, Jan 31 2016
MATHEMATICA
Mod[BellB[Range[0, 100]], 7] (* G. C. Greubel, Jan 31 2016 *)
PROG
(Magma) [Bell(n) mod 7: n in [0..100]]; // Vincenzo Librandi, Feb 01 2016
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Feb 07 2009
STATUS
approved