A047316 - OEIS

A047316

Numbers that are congruent to {0, 2, 4, 5, 6} mod 7.

0, 2, 4, 5, 6, 7, 9, 11, 12, 13, 14, 16, 18, 19, 20, 21, 23, 25, 26, 27, 28, 30, 32, 33, 34, 35, 37, 39, 40, 41, 42, 44, 46, 47, 48, 49, 51, 53, 54, 55, 56, 58, 60, 61, 62, 63, 65, 67, 68, 69, 70, 72, 74, 75, 76, 77, 79

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..57.

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

FORMULA

G.f.: x^2*(2 + 2*x + x^2 + x^3 + x^4) / ( (x^4 + x^3 + x^2 + x + 1)*(x-1)^2 ). - R. J. Mathar, Dec 03 2011

CROSSREFS

Sequence in context: A127032 A350396 A255165 * A099593 A184867 A029903

Adjacent sequences: A047313 A047314 A047315 * A047317 A047318 A047319

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved