A277572 (1/2)*A277568.

1, 4, 6, 7, 10, 13, 16, 19, 22, 24, 25, 28, 31, 34, 36, 37, 40, 42, 43, 46, 49, 52, 55, 58, 60, 61, 64, 67, 70, 73, 76, 78, 79, 82, 85, 88, 91, 94, 96, 97, 100, 103, 106, 109, 112, 114, 115, 118, 121, 124, 127, 130, 132, 133, 136, 139, 142, 144, 145, 148

Offset

1,2

Links

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

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[6, 2]/2 (* A277572 *)
p[6, 3]/3 (* A277573 *)
p[6, 4]/2 (* A277574 *)

Crossrefs

Cf. A277568, A277573, A277574.

Sequence in context: A285091 A286485 A363189 * A107622 A049306 A358731

Adjacent sequences: A277569 A277570 A277571 * A277573 A277574 A277575

Keyword

nonn,easy

Author

Clark Kimberling, Nov 01 2016

Status

approved