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A053900
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Numbers k such that k^2 contains only digits {1,4,8}.
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2
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1, 2, 9, 12, 21, 22, 29, 38, 109, 122, 221, 1191, 20359, 12017441, 64352012, 69362229, 105741122, 1347014779, 10715008859, 664190348029, 940313186572, 4263966676478, 34479242283029, 1055656895701022, 2968363385585478
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OFFSET
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1,2
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LINKS
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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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EXTENSIONS
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More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005
Further terms from Mishima's webpage added by Max Alekseyev, May 29 2009
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STATUS
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approved
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