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A121321
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Numbers k such that every digit occurs at least once in k^4.
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3
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763, 767, 1066, 1088, 1206, 1304, 1425, 1557, 1561, 1634, 1653, 1712, 1739, 1782, 1818, 1839, 1866, 1878, 1975, 2032, 2045, 2055, 2134, 2192, 2232, 2233, 2299, 2318, 2339, 2347, 2358, 2425, 2441, 2489, 2509, 2511, 2575, 2646, 2682, 2692
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OFFSET
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1,1
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LINKS
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EXAMPLE
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763^4 = 338920744561 contains every digits at least once.
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PROG
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(Magma) [ n: n in [0..2695] | Seqset(Intseq(n^4)) eq {0..9} ]; // Bruno Berselli, May 17 2011
(PARI) isok(k) = #Set(digits(k^4)) == 10;
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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