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A052048
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Cubes whose digits occur with the same frequency.
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10
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0, 1, 8, 27, 64, 125, 216, 512, 729, 1331, 1728, 2197, 4096, 4913, 5832, 6859, 9261, 10648, 13824, 19683, 24389, 32768, 42875, 54872, 68921, 205379, 238328, 287496, 328509, 389017, 421875, 438976, 592704, 681472, 804357, 912673, 2460375, 3048625
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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LINKS
| Nathaniel Johnston, Table of n, a(n) for n = 0..450
P. De Geest, Numbers whose digits occur with same frequency
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EXAMPLE
| E.g. 238328 = 62^3 -> digits 2, 3 and 8 occur each twice.
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MAPLE
| isA052048 := proc(n) local d, k, fr, eqfr: if(n=0)then return true: fi: d:=convert(n^3, base, 10): eqfr:=true: fr:=numboccur(d[1], d): for k from 0 to 9 do if(not member(numboccur(k, d), {fr, 0}))then eqfr:=false: break: fi: od: return eqfr: end: seq(`if`(isA052048(n), n^3, NULL), n=0..200); # Nathaniel Johnston, May 31 2011
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CROSSREFS
| Cf. A052047, A045540, A052046, A052049, A052050, A052051, A052052.
Sequence in context: A050750 A100571 A125084 * A052064 A125496 A030289
Adjacent sequences: A052045 A052046 A052047 * A052049 A052050 A052051
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KEYWORD
| nonn,base
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com), Dec 15 1999.
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