A052071 a(n)^3 is the smallest cube whose digits occur with the same frequency n.
0, 11, 888, 2830479, 120023142, 6351783105, 267745815817, 13280759167047
Offset: 1
Examples
2830479^3 = 22676697737363992239 and its digits 2, 3, 6, 7 and 9 each occur four times.
Links
- Patrick De Geest, Numbers whose digits occur with same frequency
Programs
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Mathematica
Table[i = 0; While[x = i^3; Union@DeleteCases[DigitCount[x], 0] != {n}, i++]; i, {n, 7}] (* Robert Price, Oct 12 2019 *)
Extensions
Offset corrected by Michel Marcus, Aug 12 2015
a(7) from Giovanni Resta, Aug 19 2018
a(8) from Mihael Tunik, May 26 2025