The On-Line Encyclopedia of Integer Sequences (OEIS)

A047518 revision #9

A047518

Numbers that are congruent to {2, 3, 4, 6, 7} mod 8.

2, 3, 4, 6, 7, 10, 11, 12, 14, 15, 18, 19, 20, 22, 23, 26, 27, 28, 30, 31, 34, 35, 36, 38, 39, 42, 43, 44, 46, 47, 50, 51, 52, 54, 55, 58, 59, 60, 62, 63, 66, 67, 68, 70, 71, 74, 75, 76, 78, 79, 82, 83, 84, 86, 87, 90

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OFFSET

1,1

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..1000

Index entries for linear recurrences with constant coefficients, signature (1,0,0,0,1,-1).

FORMULA

From Chai Wah Wu, May 30 2016: (Start)

a(n) = a(n-1) + a(n-5) - a(n-6) for n > 6.

G.f.: x*(x^5 + x^4 + 2*x^3 + x^2 + x + 2)/(x^6 - x^5 - x + 1). (End)

MATHEMATICA

LinearRecurrence[{1, 0, 0, 0, 1, -1}, {2, 3, 4, 6, 7, 10}, 50] (* G. C. Greubel, May 30 2016 *)

CROSSREFS

Sequence in context: A155905 A375928 A287531 * A335031 A179834 A352335

Adjacent sequences: A047515 A047516 A047517 * A047519 A047520 A047521

KEYWORD

nonn,changed

AUTHOR

N. J. A. Sloane.

STATUS

proposed