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A055575 Sum of digits of n^4 is equal to n. 8

%I

%S 0,1,7,22,25,28,36

%N Sum of digits of n^4 is equal to n.

%e 7 is a member because 7^4 = 2401 and 2+4+0+1 = 7.

%t Select[Range[0, 50], #==Total[IntegerDigits[#^4]] &] (* _Vincenzo Librandi_, Feb 23 2015 *)

%o (MAGMA) [n: n in [0..50] | &+Intseq(n^4) eq n ]; // _Vincenzo Librandi_, Feb 23 2015

%o (Sage) [n for n in (0..50) if sum((n^4).digits()) == n] # _Bruno Berselli_, Feb 23 2015

%Y Cf. A055565, A055570, A046459, A055576, A055577.

%Y Cf. A152147.

%K base,fini,full,nonn

%O 1,3

%A _Henry Bottomley_, May 26 2000

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Last modified June 25 06:09 EDT 2019. Contains 324346 sequences. (Running on oeis4.)