A286650 a(n) is the smallest number m such that the sum of the digits of m^4 is equal to n^4.
0, 1, 11, 1434, 1269681358
Offset: 0
Examples
a(2) = 11 as 11^4 = 14641 is the smallest fourth power whose digit sum = 16 = 2^4.
Crossrefs
Programs
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PARI
{a(n) = my(k=0); while(sumdigits(k^4) != n^4, k++); k}