A190488 Positions of 0 in A190487.

3, 5, 8, 10, 15, 17, 20, 22, 27, 29, 32, 34, 37, 39, 44, 46, 49, 51, 56, 58, 61, 63, 68, 73, 75, 78, 80, 85, 87, 90, 92, 97, 99, 102, 104, 107, 109, 114, 116, 119, 121, 126, 128, 131, 133, 136, 138, 143, 145, 148, 150, 155, 157, 160, 162, 167, 169, 172, 174, 177, 179, 184, 186, 189, 191, 196, 198, 201, 203, 206, 208, 213, 215, 218

Offset

1,1

Comments

See A190487.

Links

G. C. Greubel, Table of n, a(n) for n = 1..1000

Mathematica

r = Sqrt[2]; b = 3; c = 0;
f[n_] := Floor[(b*n + c)*r] - b*Floor[n*r] - Floor[c*r];
t = Table[f[n], {n, 1, 200}]  (* A190487 *)
Flatten[Position[t, 0]]   (* A190488 *)
Flatten[Position[t, 1]]   (* A190489 *)
Flatten[Position[t, 2]]   (* A190490 *)

Crossrefs

Cf. A190487.

Sequence in context: A123327 A024679 A187973 * A182082 A117467 A310025

Adjacent sequences: A190485 A190486 A190487 * A190489 A190490 A190491

Keyword

nonn

Author

Clark Kimberling, May 11 2011

Status

approved