A277600 (1/2)*A277593.

3, 8, 13, 18, 23, 28, 30, 33, 38, 43, 48, 53, 58, 63, 68, 73, 78, 80, 83, 88, 93, 98, 103, 108, 113, 118, 123, 128, 130, 133, 138, 143, 148, 153, 158, 163, 168, 173, 178, 180, 183, 188, 193, 198, 203, 208, 213, 218, 223, 228, 230, 233, 238, 243, 248, 253

Offset: 1

Author

Clark Kimberling, Nov 12 2016

Keywords

• nonn
• easy

Links

• Clark Kimberling, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A277593, A277597, A277598, A277599, A277601.

Programs

Mathematica

z = 260; a[b_] := Table[Mod[n/b^IntegerExponent[n, b], b], {n, 1, z}]
p[b_, d_] := Flatten[Position[a[b], d]]
p[10, 2]/2 (* A277597 *)
p[10,4]/3 (* A277598 *)
p[10,5]/5 (* A277599 *)
p[10,6]/2 (* A277600 *)
p[10,8]/2 (* A277601 *)