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A137095
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Numbers k such that k and k^2 use only the digits 2, 4, 5, 6 and 8.
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1
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2, 5, 8, 22, 25, 65, 68, 242, 258, 262, 665, 668, 828, 2585, 2868, 6665, 6668, 8284, 24262, 25465, 25622, 25668, 26242, 65465, 65485, 66665, 66668, 242662, 254222, 254665, 654665, 666665, 666668, 668465, 684585, 828665, 2426662, 2546485, 2554522, 2565668, 2566485, 2624585, 6546485, 6546665, 6654665, 6666665, 6666668, 6668465, 6842868
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OFFSET
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1,1
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COMMENTS
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Generated with DrScheme.
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LINKS
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EXAMPLE
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828648468686484^2 = 686658284656454854284284282256.
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CROSSREFS
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KEYWORD
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base,nonn,changed
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AUTHOR
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Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
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STATUS
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approved
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