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A052070 Smallest square all of whose digits occur with the same frequency n. 5
0, 7744, 100220121, 1001481404808481, 269996262622969, 445646655445456656, 114811414848448481881, 425425422552255452244544, 244848282488224248488284224, 610016161160606006011116601600 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
EXAMPLE
1001481404808481 (= 31646191^2) and its digits 0, 1, 4 and 8 each occur four times.
MATHEMATICA
Table[i = 0;
While[x = i^2; Union@DeleteCases[DigitCount[x], 0] != {n}, i++];
x, {n, 10}] (* Robert Price, Oct 12 2019 *)
CROSSREFS
Sequence in context: A187958 A052050 A116064 * A052099 A079035 A116317
KEYWORD
nonn,base,more,nice
AUTHOR
Patrick De Geest, Jan 15 2000
EXTENSIONS
Two more terms from Jon E. Schoenfield, Oct 11 2008
Offset corrected by Michel Marcus, Aug 12 2015
a(10) from Giovanni Resta, Aug 19 2018
STATUS
approved

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Last modified March 28 07:20 EDT 2024. Contains 371235 sequences. (Running on oeis4.)