A036533 Smallest cube containing exactly n 6's.

0, 64, 166375, 46656, 367061696, 1676676672, 66676466375, 2646396666368, 6666963601661, 6946660616126616, 3666676156163166167, 62656677666653866496, 2674826866666660366016, 166465666639716668628669, 3656365366626065666266624, 167947668303666616666566656

Offset

0,2

Comments

a(n)^(1/3) = A048371(n) is the index of the first occurrence of n in sequence A269246. - M. F. Hasler, Feb 21 2016

Links

Giovanni Resta, Table of n, a(n) for n = 0..23

Formula

a(n) = A048371(n)^3. - M. F. Hasler, Feb 21 2016

Mathematica

nsmall = Table[Infinity, 20];
For[i = 0, i <= 10^6, i++, n0 = Count[IntegerDigits[i^3], 6];
  If[nsmall[[n0 + 1]] > i^3, nsmall[[n0 + 1]] = i^3]];
Cases[nsmall, _?NumberQ] (* Robert Price, Mar 21 2020 *)

Crossrefs

Cf. A048371, A036527 - A036536 for other digits 0 - 9.

Analog for squares: A036510 = A048348^2.

Sequence in context: A016878 A227660 A029753 * A139565 A214388 A016938

Adjacent sequences: A036530 A036531 A036532 * A036534 A036535 A036536

Keyword

nonn,base

Author

David W. Wilson

Extensions

Extended with a(0) = 0 by M. F. Hasler, Feb 21 2016

a(11)-a(15) from Giovanni Resta, Jun 29 2018

Status

approved