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A047620
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Numbers that are congruent to {0, 1, 2, 5} mod 8.
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1
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0, 1, 2, 5, 8, 9, 10, 13, 16, 17, 18, 21, 24, 25, 26, 29, 32, 33, 34, 37, 40, 41, 42, 45, 48, 49, 50, 53, 56, 57, 58, 61, 64, 65, 66, 69, 72, 73, 74, 77, 80, 81, 82, 85, 88, 89, 90, 93, 96, 97, 98, 101, 104, 105, 106
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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LINKS
| Index to sequences with linear recurrences with constant coefficients, signature (2,-2,2,-1).
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FORMULA
| a(n)=2*n-3+sin(n*Pi/2). G.f. x^2*(1+3*x^2) / ( (x^2+1)*(x-1)^2 ). - R. J. Mathar, Oct 08 2011
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PROG
| sage: [lucas_number1(n, 0, 1)+2*n-3 for n in xrange(1, 57)] - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jul 06 2008
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CROSSREFS
| Cf. A047404, A047431, A047546, A047557, A047578, A056594.
Sequence in context: A070049 A085254 A068537 * A062803 A153275 A161154
Adjacent sequences: A047617 A047618 A047619 * A047621 A047622 A047623
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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