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A052093
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a(n)^4 is the smallest fourth power whose decimal expansion digits occur with same frequency n.
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4
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OFFSET
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1,2
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COMMENTS
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LINKS
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EXAMPLE
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207^4 = 1836036801 and digits 0,1,3,6 and 8 each occur twice.
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PROG
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(Python)
g = agen(POW=4) # agen() in A054212
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CROSSREFS
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KEYWORD
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nonn,base,hard,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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