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A052071
a(n)^3 is the smallest cube whose digits occur with the same frequency n.
6
0, 11, 888, 2830479, 120023142, 6351783105, 267745815817
OFFSET
1,2
EXAMPLE
2830479^3 = 22676697737363992239 and its digits 2, 3, 6, 7 and 9 each occur four times.
MATHEMATICA
Table[i = 0;
While[x = i^3; Union@DeleteCases[DigitCount[x], 0] != {n}, i++];
i, {n, 7}] (* Robert Price, Oct 12 2019 *)
CROSSREFS
KEYWORD
nonn,base,more,nice
AUTHOR
Patrick De Geest, Jan 15 2000
EXTENSIONS
Offset corrected by Michel Marcus, Aug 12 2015
a(7) from Giovanni Resta, Aug 19 2018
STATUS
approved