A188395 -id:A188395

Search: a188395 -id:a188395

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A188396

Positions of 0 in A188395; complement of A188397.

+20
5

3, 10, 17, 20, 27, 34, 37, 44, 51, 58, 61, 68, 75, 78, 85, 92, 99, 102, 109, 116, 119, 126, 133, 136, 143, 150, 157, 160, 167, 174, 177, 184, 191, 198, 201, 208, 215, 218, 225, 232, 235, 242, 249, 256, 259, 266, 273, 276, 283, 290, 297, 300, 307, 314, 317, 324, 331, 338, 341, 348, 355, 358, 365, 372, 375, 382, 389, 396, 399, 406, 413, 416

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

See A187950, A188395.

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

MATHEMATICA

r=2^(-1/2); k=4;

t=Table[Floor[n*r+k*r]-Floor[n*r]-Floor[k*r], {n, 1, 220}] (* A188395 *)

Flatten[Position[t, 0] ] (* A188396 *)

Flatten[Position[t, 1] ] (* A188397 *)

PROG

(PARI) lista(nn) = Vec(select(x->x==0, vector(nn, n, floor((n+4)/sqrt(2)) - floor(n/sqrt(2)) - floor(4/sqrt(2))), 1)); \\ Michel Marcus, Apr 26 2018

CROSSREFS

Cf. A187950, A188395, A188397.

KEYWORD

nonn

AUTHOR

Clark Kimberling, Mar 30 2011

STATUS

approved

A188397

Positions of 1 in A188395; complement of A188396.

+20
3

1, 2, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 18, 19, 21, 22, 23, 24, 25, 26, 28, 29, 30, 31, 32, 33, 35, 36, 38, 39, 40, 41, 42, 43, 45, 46, 47, 48, 49, 50, 52, 53, 54, 55, 56, 57, 59, 60, 62, 63, 64, 65, 66, 67, 69, 70, 71, 72, 73, 74, 76, 77, 79, 80, 81, 82, 83, 84, 86, 87, 88, 89, 90, 91, 93, 94, 95, 96, 97, 98, 100, 101, 103, 104, 105, 106, 107, 108, 110, 111, 112