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A047557 Numbers that are congruent to {0, 3, 6, 7} mod 8. 2
0, 3, 6, 7, 8, 11, 14, 15, 16, 19, 22, 23, 24, 27, 30, 31, 32, 35, 38, 39, 40, 43, 46, 47, 48, 51, 54, 55, 56, 59, 62, 63, 64, 67, 70, 71, 72, 75, 78, 79, 80, 83, 86, 87, 88, 91, 94, 95, 96, 99, 102, 103, 104, 107, 110 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

Index to sequences with linear recurrences with constant coefficients, signature (2,-2,2,-1).

FORMULA

G.f. x^2*(3+x^2) / ( (x^2+1)*(x-1)^2 ). a(n)=2*n-1-sin(Pi*n/2). - R. J. Mathar, Oct 08 2011

PROG

sage: [lucas_number1(n, 0, 1)+2*n+3 for n in xrange(-1, 55)] - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jul 06 2008

CROSSREFS

Cf. A047404, A047431, A047546, A047578, A056594.

Sequence in context: A050244 A047283 A155932 * A099850 A189659 A157041

Adjacent sequences:  A047554 A047555 A047556 * A047558 A047559 A047560

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 23:31 EST 2012. Contains 205860 sequences.