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A004972 Ceiling of 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

N. J. A. Sloane.

EXTENSIONS

More terms from Colin Barker, Dec 22 2014

STATUS

approved

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Last modified April 18 22:08 EDT 2019. Contains 322237 sequences. (Running on oeis4.)