A146108 Bell numbers (A000110) read mod 18.

1, 1, 2, 5, 15, 16, 5, 13, 0, 15, 1, 6, 13, 1, 16, 5, 5, 0, 13, 5, 10, 15, 15, 10, 15, 13, 10, 1, 5, 2, 15, 13, 14, 13, 15, 12, 1, 15, 10, 1, 1, 2, 5, 15, 16, 5, 13, 0, 15, 1, 6, 13, 1, 16, 5, 5, 0, 13, 5, 10, 15, 15, 10, 15, 13, 10, 1, 5, 2, 15, 13, 14, 13, 15, 12, 1, 15, 10, 1, 1, 2, 5, 15

Offset

0,3

Links

G. C. Greubel, Table of n, a(n) for n = 0..10000 [b-file restored by Georg Fischer, Jul 25 2020]

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+39) = a(n). - G. C. Greubel, Feb 01 2016

Mathematica

Mod[BellB[Range[0, 90]], 18] (* Harvey P. Dale, Apr 27 2013 *)

Prog

(Magma) [Bell(n) mod 18: n in [0..100]]; // Vincenzo Librandi, Feb 02 2016

Crossrefs

Cf. A000110, A146105, A146106, A146107, A146109, A146110, A146111.

Sequence in context: A146110 A336385 A146109 * A032841 A058221 A349734

Adjacent sequences: A146105 A146106 A146107 * A146109 A146110 A146111

Keyword

nonn

Author

N. J. A. Sloane, Feb 07 2009

Status

approved