A211199 Sum of the 16th powers of the decimal digits of n.
0, 1, 65536, 43046721, 4294967296, 152587890625, 2821109907456, 33232930569601, 281474976710656, 1853020188851841, 1, 2, 65537, 43046722, 4294967297, 152587890626, 2821109907457, 33232930569602, 281474976710657, 1853020188851842, 65536, 65537, 131072, 43112257
Offset: 0
Examples
a(14) = 1^16 + 4^16 = 4294967297 = 641 * 6700417.
Programs
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PARI
a(n)=my(s);while(n,s+=(n%10)^16;n\=10);s \\ Charles R Greathouse IV, May 11 2012
Comments