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A214989 Beatty sequence [sqrt(phi)/(sqrt(phi)-1) * n], where phi = (1 + sqrt(5))/2 = golden ratio; complement of A214988. 2
4, 9, 14, 18, 23, 28, 32, 37, 42, 46, 51, 56, 60, 65, 70, 74, 79, 84, 88, 93, 98, 102, 107, 112, 116, 121, 126, 130, 135, 140, 144, 149, 154, 158, 163, 168, 173, 177, 182, 187, 191, 196, 201, 205, 210, 215, 219, 224, 229, 233, 238, 243, 247, 252, 257 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

MATHEMATICA

r = Sqrt[GoldenRatio]; s = r/(r - 1);

Table[Floor[r*n], {n, 1, 120}] (* A214988 *)

Table[Floor[s*n], {n, 1, 120}] (* A214989 *)

PROG

(PARI) A214989(n)=my(sp=sqrt((sqrt(5)+1)/2)); n*sp\(sp-1) \\ - M. F. Hasler, Nov 01 2012

CROSSREFS

Cf. A214988.

Sequence in context: A313053 A313054 A038123 * A228177 A172329 A182778

Adjacent sequences:  A214986 A214987 A214988 * A214990 A214991 A214992

KEYWORD

nonn

AUTHOR

Clark Kimberling, Oct 28 2012

STATUS

approved

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Last modified April 15 03:00 EDT 2021. Contains 342974 sequences. (Running on oeis4.)