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A277571 Numbers k such that k/6^m == 5 (mod 6), where 6^m is the greatest power of 6 that divides k. 5
5, 11, 17, 23, 29, 30, 35, 41, 47, 53, 59, 65, 66, 71, 77, 83, 89, 95, 101, 102, 107, 113, 119, 125, 131, 137, 138, 143, 149, 155, 161, 167, 173, 174, 179, 180, 185, 191, 197, 203, 209, 210, 215, 221, 227, 233, 239, 245, 246, 251, 257, 263, 269, 275, 281 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Positions of 5 in A277544.
Numbers having 5 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.
LINKS
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) = Mod(n/6^valuation(n, 6), 6)==5 \\ Felix Fröhlich, Nov 02 2016
CROSSREFS
Sequence in context: A111863 A333656 A043389 * A000966 A031480 A070753
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Nov 01 2016
STATUS
approved

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Last modified March 29 10:22 EDT 2024. Contains 371268 sequences. (Running on oeis4.)