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%I #12 Mar 17 2023 09:56:00
%S 763,767,1066,1088,1206,1304,1425,1557,1561,1634,1653,1712,1739,1782,
%T 1818,1839,1866,1878,1975,2032,2045,2055,2134,2192,2232,2233,2299,
%U 2318,2339,2347,2358,2425,2441,2489,2509,2511,2575,2646,2682,2692
%N Numbers k such that every digit occurs at least once in k^4.
%H Lars Blomberg, <a href="/A121321/b121321.txt">Table of n, a(n) for n = 1..10000</a>
%e 763^4 = 338920744561 contains every digits at least once.
%o (Magma) [ n: n in [0..2695] | Seqset(Intseq(n^4)) eq {0..9} ]; // _Bruno Berselli_, May 17 2011
%o (PARI) isok(k) = #Set(digits(k^4)) == 10;
%Y Cf. A119735 (in k^3), A054038 (in k^2).
%K nonn,base
%O 1,1
%A _Tanya Khovanova_, Aug 25 2006
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