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A154818
Numbers k such that k^4 contains every digit exactly twice.
2
69636, 70215, 77058, 80892
OFFSET
1,1
COMMENTS
77058^4 = 35259076387041812496, which contains 2 of each digit 0-9. There are just 4 terms.
CROSSREFS
KEYWORD
base,easy,nonn,fini,full
AUTHOR
Zhining Yang, Jan 15 2009
EXTENSIONS
Keywords fini and full added. - R. J. Mathar, Jan 17 2009
STATUS
approved