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 A004972 a(n) = ceiling(n*phi^17), where phi is the golden ratio, A001622. 1
 0, 3572, 7143, 10714, 14285, 17856, 21427, 24998, 28569, 32140, 35711, 39282, 42853, 46424, 49995, 53566, 57137, 60708, 64279, 67850, 71421, 74992, 78563, 82134, 85705, 89276, 92847, 96418, 99989, 103560, 107131, 110702, 114273, 117844, 121415, 124986 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Colin Barker, Table of n, a(n) for n = 0..1000 Index entries for linear recurrences with constant coefficients, signature (2,-1). FORMULA From Colin Barker, Dec 22 2014: (Start) a(n) = 3571*n + 1 for n > 0. a(n) = 2*a(n-1) - a(n-2) for n > 2. G.f.: -x*(x-3572) / (x-1)^2. (End) PROG (PARI) concat(0, Vec(-x*(x-3572)/(x-1)^2 + O(x^100))) \\ Colin Barker, Dec 22 2014 CROSSREFS Sequence in context: A152217 A004932 A004952 * A246855 A252153 A234138 Adjacent sequences:  A004969 A004970 A004971 * A004973 A004974 A004975 KEYWORD nonn,easy AUTHOR EXTENSIONS More terms from Colin Barker, Dec 22 2014 STATUS approved

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Last modified August 4 07:32 EDT 2020. Contains 336201 sequences. (Running on oeis4.)