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A184638 floor(nr+h), where r=sqrt(3), h=-1/2; complement of A184653. 2
1, 2, 4, 6, 8, 9, 11, 13, 15, 16, 18, 20, 22, 23, 25, 27, 28, 30, 32, 34, 35, 37, 39, 41, 42, 44, 46, 47, 49, 51, 53, 54, 56, 58, 60, 61, 63, 65, 67, 68, 70, 72, 73, 75, 77, 79, 80, 82, 84, 86, 87, 89, 91, 93, 94, 96, 98, 99, 101, 103, 105, 106, 108, 110, 112, 113, 115, 117, 119, 120, 122, 124, 125, 127, 129, 131, 132, 134, 136, 138, 139, 141, 143, 144, 146, 148, 150, 151, 153, 155, 157, 158, 160, 162, 164, 165, 167, 169, 170, 172, 174, 176, 177, 179, 181, 183, 184, 186, 188, 190, 191, 193, 195, 196, 198, 200 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..116.

FORMULA

a(n)=floor(nr+h), where r=sqrt(3), 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. A184653.

Sequence in context: A114571 A050091 A184740 * A047294 A195173 A215000

Adjacent sequences:  A184635 A184636 A184637 * A184639 A184640 A184641

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 19 2011

STATUS

approved

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Last modified January 26 09:29 EST 2022. Contains 350597 sequences. (Running on oeis4.)