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A047275 Numbers that are congruent to {0, 1, 6} mod 7. 0
0, 1, 6, 7, 8, 13, 14, 15, 20, 21, 22, 27, 28, 29, 34, 35, 36, 41, 42, 43, 48, 49, 50, 55, 56, 57, 62, 63, 64, 69, 70, 71, 76, 77, 78, 83, 84, 85, 90, 91, 92, 97, 98, 99, 104, 105, 106, 111, 112, 113, 118, 119, 120 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

LINKS

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

FORMULA

G.f. x^2*(1+5*x+x^2) / ( (1+x+x^2)*(x-1)^2 ). - R. J. Mathar, Oct 25 2011

CROSSREFS

Sequence in context: A037365 A083340 A118733 * A047590 A146329 A133893

Adjacent sequences:  A047272 A047273 A047274 * A047276 A047277 A047278

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 16:49 EST 2012. Contains 206058 sequences.