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A277568 Numbers k such that k/6^m == 2 (mod 6), where 6^m is the greatest power of 6 that divides k. 8
2, 8, 12, 14, 20, 26, 32, 38, 44, 48, 50, 56, 62, 68, 72, 74, 80, 84, 86, 92, 98, 104, 110, 116, 120, 122, 128, 134, 140, 146, 152, 156, 158, 164, 170, 176, 182, 188, 192, 194, 200, 206, 212, 218, 224, 228, 230, 236, 242, 248, 254, 260, 264, 266, 272, 278 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Positions of 2 in A277544.

Numbers having 2 as rightmost nonzero digit in base 6.  This is one sequence in a 5-way splitting of the positive integers; the other four are indicated in the Mathematica program.  Every term is even; see A277572.

LINKS

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

FORMULA

a(n) = 5n + O(log n). - Charles R Greathouse IV, Nov 03 2016

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, 1] (* A277567 *)

p[6, 2] (* A277568 *)

p[6, 3] (* A277569 *)

p[6, 4] (* A277570 *)

p[6, 5] (* A277571 *)

PROG

(PARI) is(n)=(n/6^valuation(n, 6))%6==2 \\ Charles R Greathouse IV, Nov 03 2016

CROSSREFS

Cf. A277544, A277567, A277569, A277572.

Sequence in context: A005796 A086173 A108725 * A108059 A276932 A340969

Adjacent sequences:  A277565 A277566 A277567 * A277569 A277570 A277571

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Nov 01 2016

STATUS

approved

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Last modified May 26 20:51 EDT 2022. Contains 354092 sequences. (Running on oeis4.)