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 A275910 Numbers not congruent to 0, 1 or 8 mod 9. 2
 2, 3, 4, 5, 6, 7, 11, 12, 13, 14, 15, 16, 20, 21, 22, 23, 24, 25, 29, 30, 31, 32, 33, 34, 38, 39, 40, 41, 42, 43, 47, 48, 49, 50, 51, 52, 56, 57, 58, 59, 60, 61, 65, 66, 67, 68, 69, 70, 74, 75, 76, 77, 78, 79, 83, 84, 85, 86, 87, 88, 92, 93, 94, 95, 96, 97, 101, 102, 103, 104, 105, 106, 110, 111 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 REFERENCES H. I. Okagbue, M. O. Adamu, S. A. Bishop and A. A. Opanuga, Properties of Sequences Generated by Summing the Digits of Cubed Positive Integers, Indian Journal Of Natural Sciences, Vol. 6 / Issue 32 / October 2015. LINKS Colin Barker, Table of n, a(n) for n = 1..1000 Index entries for linear recurrences with constant coefficients, signature (1,0,0,0,0,1,-1). FORMULA From Colin Barker, Aug 26 2016: (Start) a(n) = a(n-1)+a(n-6)-a(n-7) for n>7. G.f.: x*(2+x+x^2+x^3+x^4+x^5+2*x^6) / ((1-x)^2*(1+x)*(1-x+x^2)*(1+x+x^2)). (End) MATHEMATICA DeleteCases[Range[120], _?(MemberQ[{0, 1, 8}, Mod[#, 9]]&)] (* Harvey P. Dale, Oct 08 2017 *) PROG (PARI) Vec(x*(2+x+x^2+x^3+x^4+x^5+2*x^6)/((1-x)^2*(1+x)*(1-x+x^2)*(1+x+x^2)) + O(x^100)) \\ Colin Barker, Aug 26 2016 CROSSREFS Complement of A054966. Sequence in context: A265571 A265555 A214677 * A032971 A099466 A032976 Adjacent sequences:  A275907 A275908 A275909 * A275911 A275912 A275913 KEYWORD nonn,easy AUTHOR N. J. A. Sloane, Aug 26 2016 STATUS approved

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Last modified October 16 13:32 EDT 2019. Contains 328093 sequences. (Running on oeis4.)