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A018832
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Numbers n such that n is a substring of its square in base 8 (written in base 10).
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8
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0, 1, 8, 27, 64, 283, 290, 512, 545, 1948, 2320, 4096, 4360, 8452, 13813, 16158, 16642, 23063, 26139, 27427, 27734, 32768, 33025, 67616, 87723, 110503, 129264, 130591, 133136, 184504, 206573, 226094, 262144, 264200, 526340, 701784, 1044728, 1050626
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OFFSET
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1,3
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LINKS
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MATHEMATICA
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Select[Range[0, 10^6], StringContainsQ[IntegerString[#^2, 8], IntegerString[#, 8]] &] (* Paolo Xausa, Apr 05 2024 *)
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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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