A190439 Positions of 2 in A190436.

1, 3, 6, 11, 14, 16, 19, 22, 24, 27, 32, 35, 37, 40, 45, 48, 50, 53, 56, 58, 61, 66, 69, 71, 74, 77, 79, 82, 84, 87, 90, 92, 95, 100, 103, 105, 108, 111, 113, 116, 121, 124, 126, 129, 134, 137, 139, 142, 145, 147, 150, 155, 158, 160, 163, 166, 168, 171, 173, 176, 179, 181, 184, 189, 192, 194, 197, 200, 202, 205, 210, 213, 215, 218

Offset: 1

Author

Clark Kimberling, May 10 2011

Keywords

• nonn

Comments

See A190436.

Links

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

Crossrefs

Cf. A190436.

Programs

Mathematica

r = GoldenRatio; b = 3; c = 2;
f[n_] := Floor[(b*n + c)*r] - b*Floor[n*r] - Floor[c*r];
t = Table[f[n], {n, 1, 320}] (* A190436 *)
Flatten[Position[t, 0]] (* A190437 *)
Flatten[Position[t, 1]] (* A190438 *)
Flatten[Position[t, 2]] (* A190439 *)
Flatten[Position[t, 3]] (* A302253 *)

Extensions

Typos in definition corrected by Arkadiusz Wesolowski, Jan 07 2012