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Search: id:A144548
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| A144548 |
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Squares and cubes of nonprimes (without repetion). |
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+0
1
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| 0, 1, 16, 36, 64, 81, 100, 144, 196, 216, 225, 256, 324, 400, 441, 484, 512, 576, 625, 676, 729, 784, 900, 1000, 1024, 1089, 1156, 1225, 1296, 1444, 1521, 1600, 1728, 1764, 1936, 2025, 2116, 2304, 2401, 2500, 2601, 2704, 2744, 2916, 3025, 3136, 3249, 3364
(list; graph; listen)
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OFFSET
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1,3
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EXAMPLE
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a(1)=0 (square nonprime 0=cube nonprime 0), a(2)=1 (square nonprime 1=cube nonprime 1), a(3)=16 (square nonprime 4), a(4)=36 (square nonprime 6), a(5)=64 (square nonprime 8=cube nonprime 4), etc.
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CROSSREFS
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Cf. A141468.
Sequence in context: A109287 A066112 A103843 this_sequence A161753 A062312 A031360
Adjacent sequences: A144545 A144546 A144547 this_sequence A144549 A144550 A144551
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KEYWORD
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nonn
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AUTHOR
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Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Dec 31 2008
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EXTENSIONS
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1156 inserted, 2309 replaced by 2304 by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 03 2009
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