A146110 Bell numbers (A000110) read mod 20.

1, 1, 2, 5, 15, 12, 3, 17, 0, 7, 15, 10, 17, 17, 2, 5, 7, 4, 19, 17, 12, 11, 3, 6, 9, 13, 14, 9, 15, 12, 7, 13, 4, 7, 19, 10, 17, 1, 6, 9, 7, 8, 7, 5, 16, 15, 15, 2, 1, 1, 10, 17, 3, 12, 11, 17, 0, 15, 3, 18, 17, 5, 18, 1, 15, 12, 3, 9, 16, 7, 15, 2, 5, 13, 2, 17, 7, 8, 15, 9, 4, 15, 3, 14, 13, 9, 18

Offset

0,3

Links

G. C. Greubel, Table of n, a(n) for n = 0..10000

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+9372) = a(n). - G. C. Greubel, Feb 01 2016

Mathematica

Mod[BellB[Range[0, 90]], 20] (* Harvey P. Dale, May 12 2012 *)

Prog

(Magma) [Bell(n) mod 20: n in [0..100]]; // Vincenzo Librandi, Feb 02 2016

Crossrefs

Cf. A000110, A146107, A146108, A146109, A146111, A146112, A146113.

Sequence in context: A146113 A146112 A146111 * A336385 A146109 A146108

Adjacent sequences: A146107 A146108 A146109 * A146111 A146112 A146113

Keyword

nonn

Author

N. J. A. Sloane, Feb 07 2009

Status

approved