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A047321 Numbers that are congruent to {1, 5, 6} mod 7. 0
1, 5, 6, 8, 12, 13, 15, 19, 20, 22, 26, 27, 29, 33, 34, 36, 40, 41, 43, 47, 48, 50, 54, 55, 57, 61, 62, 64, 68, 69, 71, 75, 76, 78, 82, 83, 85, 89, 90, 92, 96, 97, 99, 103, 104, 106, 110, 111, 113, 117, 118, 120, 124 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..53.

Index to sequences with linear recurrences with constant coefficients, signature (1,0,1,-1).

FORMULA

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

CROSSREFS

Sequence in context: A030742 A048583 A169622 * A033158 A193569 A032721

Adjacent sequences:  A047318 A047319 A047320 * A047322 A047323 A047324

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 24 18:26 EDT 2014. Contains 248516 sequences.