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Search: id:A081649
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| A081649 |
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Integers congruent to 0, 1, 4, 9, 16, 25, 36, 49, 64 or 81 (mod 100) which are not squares. |
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+0
2
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| 101, 104, 109, 116, 125, 136, 149, 164, 181, 200, 201, 204, 209, 216, 236, 249, 264, 281, 300, 301, 304, 309, 316, 325, 336, 349, 364, 381, 401, 404, 409, 416, 425, 436, 449, 464, 481, 500, 501, 504, 509, 516, 525, 536, 549, 564, 581, 600, 601, 604, 609
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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Mark A. Herkommer, Number Theory, A Programmer's Guide, McGraw-Hill, New York, 1999, page 315.
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MATHEMATICA
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Select[ Range[615], (Mod[ #, 100] == 0 || Mod[ #, 100] == 1 || Mod[ #, 100] == 4 || Mod[ #, 100] == 9 || Mod[ #, 100] == 16 || Mod[ #, 100] == 25 || Mod[ #, 100] == 36 || Mod[ #, 100] == 49 || Mod[ #, 100] == 64 || Mod[ #, 100] == 81) && !IntegerQ[ Sqrt[ # ]] & ]
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CROSSREFS
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Sequence in context: A060400 A128717 A111348 this_sequence A126118 A118773 A092628
Adjacent sequences: A081646 A081647 A081648 this_sequence A081650 A081651 A081652
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KEYWORD
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easy,nonn
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AUTHOR
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Robert G. Wilson v (rgwv(AT)rgwv.com), Mar 26 2003
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