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A052070
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Smallest square all of whose digits occur with the same frequency n.
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5
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0, 7744, 100220121, 1001481404808481, 269996262622969, 445646655445456656, 114811414848448481881, 425425422552255452244544, 244848282488224248488284224, 610016161160606006011116601600
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OFFSET
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1,2
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LINKS
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EXAMPLE
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1001481404808481 (= 31646191^2) and its digits 0, 1, 4 and 8 each occur four times.
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MATHEMATICA
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Table[i = 0;
While[x = i^2; Union@DeleteCases[DigitCount[x], 0] != {n}, i++];
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CROSSREFS
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KEYWORD
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nonn,base,more,nice
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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