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A160543 Not divisible by 17 1
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 69, 70, 71 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..67.

FORMULA

a(n) = a(n-1)+a(n-16)-a(n-17). G.f. x*(1 +x +x^2 +x^3 +x^4 +x^5 +x^6 +x^7 +x^8 +x^9 +x^10 +x^11 +x^12 +x^13 +x^14 +x^15 +x^16) / ( (1+x) *(1+x^2) *(1+x^4) *(1+x^8) *(x-1)^2 ). - R. J. Mathar, Sep 30 2013

MATHEMATICA

Complement[Range[100], 17Range[Floor[100/17]]] (* Harvey P. Dale, Oct 24 2011 *)

PROG

(Sage) [i for i in xrange(0, 72) if gcd(17, i) == 1]

CROSSREFS

Sequence in context: A132033 A194966 A133137 * A023810 A102800 A072676

Adjacent sequences:  A160540 A160541 A160542 * A160544 A160545 A160546

KEYWORD

nonn,easy

AUTHOR

Zerinvary Lajos, May 18 2009

STATUS

approved

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Last modified May 23 11:20 EDT 2019. Contains 323514 sequences. (Running on oeis4.)