A190434 - OEIS

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A190434

Positions of 2 in A190431.

1, 4, 6, 9, 14, 17, 19, 22, 27, 30, 32, 35, 38, 40, 43, 48, 51, 53, 56, 59, 61, 64, 66, 69, 72, 74, 77, 82, 85, 87, 90, 93, 95, 98, 103, 106, 108, 111, 116, 119, 121, 124, 127, 129, 132, 137, 140, 142, 145, 148, 150, 153, 158, 161, 163, 166, 171, 174, 176, 179, 182, 184, 187, 192, 195, 197, 200, 203, 205, 208, 210

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

OFFSET

1,2

COMMENTS

See A190431.

LINKS

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

MATHEMATICA

r = GoldenRatio; b = 3; c = 1;

f[n_] := Floor[(b*n + c)*r] - b*Floor[n*r] - Floor[c*r];

t = Table[f[n], {n, 1, 320}] (* A190431 *)

Flatten[Position[t, 0]] (* A190432 *)