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A286650
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a(n) is the smallest number m such that the sum of the digits of m^4 is equal to n^4.
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3
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OFFSET
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0,3
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LINKS
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EXAMPLE
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a(2) = 11 as 11^4 = 14641 is the smallest fourth power whose digit sum = 16 = 2^4.
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PROG
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(PARI) {a(n) = my(k=0); while(sumdigits(k^4) != n^4, k++); k}
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CROSSREFS
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KEYWORD
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nonn,base,more
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AUTHOR
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STATUS
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approved
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