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A137011
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Numbers k such that k and k^2 use only the digits 1, 2, 5, 8 and 9.
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1
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1, 5, 9, 11, 15, 91, 159, 285, 911, 1515, 1585, 2285, 29859, 92511, 95911, 111891, 285515, 2992589, 9225591, 9228159, 9991289, 15891891, 22991285, 29819891, 99291585, 99295515, 111889289, 151189285, 151189589, 229825989, 291991289, 299921515, 922991285, 958915159, 1512881859, 2285211585, 2299599859, 9229581859, 9229582285
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listen;
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OFFSET
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1,2
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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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158519985898159^2 = 25128585929152528221919589281.
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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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