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A184653 floor(n*s+h-h*s), where s=(3+sqrt(3))/2, h=-1/2; complement of A184638. 2
3, 5, 7, 10, 12, 14, 17, 19, 21, 24, 26, 29, 31, 33, 36, 38, 40, 43, 45, 48, 50, 52, 55, 57, 59, 62, 64, 66, 69, 71, 74, 76, 78, 81, 83, 85, 88, 90, 92, 95, 97, 100, 102, 104, 107, 109, 111, 114, 116, 118, 121, 123, 126, 128, 130, 133, 135, 137, 140, 142, 145, 147, 149, 152, 154, 156, 159, 161, 163, 166, 168, 171, 173, 175, 178, 180, 182, 185, 187, 189, 192, 194, 197, 199, 201, 204, 206, 208, 211, 213, 215, 218, 220, 223, 225, 227, 230 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..97.

FORMULA

floor(n*s+h-h*s), where s=(3+sqrt(3))/2, h=-1/2.

MATHEMATICA

r=3^(1/2); h=-1/2; s=r/(r-1);

Table[Floor[n*r+h], {n, 1, 120}]  (* A184638 *)

Table[Floor[n*s+h-h*s], {n, 1, 120}]  (*A184653 *)

CROSSREFS

Cf. A184638.

Sequence in context: A033035 A327213 A047390 * A263085 A206334 A184741

Adjacent sequences:  A184650 A184651 A184652 * A184654 A184655 A184656

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 19 2011

STATUS

approved

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Last modified September 20 18:52 EDT 2019. Contains 327245 sequences. (Running on oeis4.)