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A160542 Not divisible by 11 6
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 67, 68, 69, 70, 71 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Contains numbers like 100, 111, 112, 113 which are not in A043096. [R. J. Mathar, May 20 2009]

LINKS

Table of n, a(n) for n=1..65.

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

FORMULA

a(n) = a(n-10) + 11, n>10. - R. J. Mathar, May 20 2009

G.f.: x*(1+x+x^2+x^3+x^4+x^5+x^6+x^7+x^8+x^9+x^10) / ( (1+x)*(1+x+x^2+x^3+x^4)*(x^4-x^3+x^2-x+1)*(x-1)^2 ). - R. J. Mathar, May 02 2014

MATHEMATICA

Select[Table[n, {n, 200}], Mod[#, 11]!=0&] (* Vladimir Joseph Stephan Orlovsky, Feb 18 2011*)

PROG

(Sage) [i for i in range(72) if gcd(11, i) == 1]

CROSSREFS

Sequence in context: A051882 A136002 A043096 * A059543 A241158 A241157

Adjacent sequences:  A160539 A160540 A160541 * A160543 A160544 A160545

KEYWORD

nonn,easy

AUTHOR

Zerinvary Lajos, May 18 2009

STATUS

approved

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Last modified December 5 15:57 EST 2016. Contains 278770 sequences.