A154818 - OEIS

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A154818

Numbers k such that k^4 contains every digit exactly twice.

%I #5 Mar 09 2023 15:30:51

%S 69636,70215,77058,80892

%N Numbers k such that k^4 contains every digit exactly twice.

%C 77058^4 = 35259076387041812496, which contains 2 of each digit 0-9. There are just 4 terms.

%Y Cf. A054038, A074205, A154532, A154566.

%K base,easy,nonn,fini,full

%O 1,1

%A _Zhining Yang_, Jan 15 2009

%E Keywords fini and full added. - _R. J. Mathar_, Jan 17 2009