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Exclusionary biquadrates (fourth powers).
2

%I #10 Oct 19 2017 10:43:04

%S 16,81,256,2401,4096,6561,331776,531441,614656,1048576,3111696,

%T 7311616,7890481,11316496,12117361,21051121,62742241,74805201,

%U 1698181681,4430766096,6505390336,11019960576,11716114081,479174066176

%N Exclusionary biquadrates (fourth powers).

%C An exclusionary biquadrate m^4 is one sharing no digit in common with its root m made up of distinct digits. Is a subsequence of A113316. Conjectured to be complete.

%D H. Ibstedt, Solution to Problem 2623, "Exclusionary Powers", pp. 346-9, Journal of Recreational Mathematics, vol. 32 No.4 2003-4 Baywood NY.

%K base,nonn,fini

%O 1,1

%A _Lekraj Beedassy_, Oct 26 2005

%E Corrected by _Don Reble_, Nov 22 2006