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Search: id:A057659
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| A057659 |
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Prime numbers whose square is composed of just two different decimal digits. |
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+0
1
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OFFSET
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0,1
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COMMENT
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Conjectured to be a finite sequence.
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REFERENCES
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Related to the Unsolved problem F24, p. 262, of the UPiNT by R. K. Guy
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EXAMPLE
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Example: 81619^2 = 6661661161
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CROSSREFS
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Sequence in context: A086140 A104387 A133761 this_sequence A098040 A082565 A086255
Adjacent sequences: A057656 A057657 A057658 this_sequence A057660 A057661 A057662
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KEYWORD
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easy,nonn,base
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AUTHOR
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Carlos B. Rivera F. (crivera(AT)primepuzzles.net), Oct 15 2000
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