A146094 - OEIS

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A146094

Bell numbers (A000110) mod 4.

7

1, 1, 2, 1, 3, 0, 3, 1, 0, 3, 3, 2, 1, 1, 2, 1, 3, 0, 3, 1, 0, 3, 3, 2, 1, 1, 2, 1, 3, 0, 3, 1, 0, 3, 3, 2, 1, 1, 2, 1, 3, 0, 3, 1, 0, 3, 3, 2, 1, 1, 2, 1, 3, 0, 3, 1, 0, 3, 3, 2, 1, 1, 2, 1, 3, 0, 3, 1, 0, 3, 3, 2, 1, 1, 2, 1, 3, 0, 3, 1, 0, 3, 3, 2, 1, 1, 2, 1, 3, 0, 3, 1, 0, 3, 3, 2, 1, 1, 2, 1, 3, 0, 3, 1, 0

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

G. C. Greubel, Table of n, a(n) for n = 0..2500

P. Pleasants, W. Lunnon, and N. Stephens, Arithmetic properties of Bell numbers to a composite modulus I, Acta Arithmetica 35 (1979), pp. 1-16.

Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,0,0,0,0,1).

FORMULA

a(n) = a(n-12). - Charles R Greathouse IV, Jul 06 2011

MATHEMATICA

Mod[BellB[Range[0, 50]], 4] (* G. C. Greubel, Jan 30 2016 *)

PROG

(Magma) [Bell(n) mod 4: n in [0..100]]; // Vincenzo Librandi, Jan 30 2016

CROSSREFS

Cf. A000110, A146093.

Sequence in context: A004563 A329647 A364235 * A098035 A079055 A122170

Adjacent sequences: A146091 A146092 A146093 * A146095 A146096 A146097

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Feb 07 2009

STATUS

approved