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A047555 Numbers that are congruent to {0, 1, 2, 6, 7} mod 8. 1
0, 1, 2, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 22, 23, 24, 25, 26, 30, 31, 32, 33, 34, 38, 39, 40, 41, 42, 46, 47, 48, 49, 50, 54, 55, 56, 57, 58, 62, 63, 64, 65, 66, 70, 71, 72, 73, 74, 78, 79, 80, 81, 82, 86, 87, 88, 89, 90, 94, 95, 96, 97, 98, 102, 103, 104 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

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 29 2016: (Start)

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

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

MATHEMATICA

Select[Range[0, 100], MemberQ[{0, 1, 2, 6, 7}, Mod[#, 8]]&] (* Harvey P. Dale, Jul 27 2011 *)

LinearRecurrence[{1, 0, 0, 0, 1, -1}, {0, 1, 2, 6, 7, 8}, 50] (* G. C. Greubel, May 29 2016 *)

CROSSREFS

Sequence in context: A096909 A073005 A091942 * A184939 A043050 A159843

Adjacent sequences:  A047552 A047553 A047554 * A047556 A047557 A047558

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified May 19 23:16 EDT 2019. Contains 323411 sequences. (Running on oeis4.)