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A146121
Bell numbers (A000110) read mod 31.
5
1, 1, 2, 5, 15, 21, 17, 9, 17, 5, 4, 11, 15, 1, 20, 30, 16, 8, 1, 21, 3, 25, 26, 19, 16, 2, 15, 16, 17, 12, 3, 2, 3, 7, 20, 5, 7, 26, 26, 22, 9, 15, 26, 16, 21, 19, 15, 24, 9, 22, 24, 28, 20, 14, 4, 18, 17, 0, 2, 29, 15, 5, 5, 10, 27, 25, 12, 2, 21, 17, 0, 24, 10, 11, 6, 9, 3, 8, 2, 0, 15, 21
OFFSET
0,3
COMMENTS
Conjecture: a(n+568972471024107865287021434301977158534824481) = a(n). - G. C. Greubel, Feb 02 2016
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.
MATHEMATICA
Mod[BellB[Range[0, 100]], 31] (* G. C. Greubel, Feb 02 2016 *)
PROG
(Magma) [Bell(n) mod 31: n in [0..100]]; // G. C. Greubel, Feb 02 2016
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Feb 07 2009
STATUS
approved