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A047277 Numbers that are congruent to {0, 2, 6} mod 7. 0
0, 2, 6, 7, 9, 13, 14, 16, 20, 21, 23, 27, 28, 30, 34, 35, 37, 41, 42, 44, 48, 49, 51, 55, 56, 58, 62, 63, 65, 69, 70, 72, 76, 77, 79, 83, 84, 86, 90, 91, 93, 97, 98, 100, 104, 105, 107, 111, 112, 114, 118, 119, 121 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

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

FORMULA

G.f. x^2*(2+4*x+x^2) / ( (1+x+x^2)*(x-1)^2 ). - R. J. Mathar, Oct 25 2011

CROSSREFS

Sequence in context: A020898 A184779 A200926 * A189465 A109783 A186888

Adjacent sequences:  A047274 A047275 A047276 * A047278 A047279 A047280

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 21:10 EST 2012. Contains 205856 sequences.