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A184007 floor(n*s+h-h*s), where s=(3+sqrt(3))/2, h=-1/3.  Complement of A184006. 3
2, 5, 7, 9, 12, 14, 17, 19, 21, 24, 26, 28, 31, 33, 35, 38, 40, 43, 45, 47, 50, 52, 54, 57, 59, 61, 64, 66, 69, 71, 73, 76, 78, 80, 83, 85, 87, 90, 92, 95, 97, 99, 102, 104, 106, 109, 111, 114, 116, 118, 121, 123, 125, 128, 130, 132, 135, 137, 140, 142, 144, 147, 149, 151, 154, 156, 158, 161, 163, 166, 168, 170, 173, 175, 177, 180, 182, 185, 187, 189, 192, 194, 196, 199, 201, 203, 206, 208, 211, 213, 215, 218, 220, 222, 225, 227, 229, 232, 234, 237, 239, 241, 244, 246, 248, 251, 253, 255 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..108.

FORMULA

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

MATHEMATICA

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

Table[Floor[n*r+h], {n, 1, 120}]  (* A184006 *)

Table[Floor[n*s+h-h*s], {n, 1, 120}]  (*A184007 *)

CROSSREFS

Cf. A184006.

Sequence in context: A187416 A243808 A275278 * A003256 A029901 A080652

Adjacent sequences:  A184004 A184005 A184006 * A184008 A184009 A184010

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 08 2011

STATUS

approved

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Last modified October 20 22:22 EDT 2021. Contains 348119 sequences. (Running on oeis4.)