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Search: id:A048653
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| A048653 |
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Numbers n such that n^2 can be partitioned into 2 or more numbers that are also squares. |
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+0
1
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| 7, 12, 13, 19, 21, 35, 37, 38, 41, 44, 57, 65, 70, 107, 108, 112, 119, 120, 121, 125, 129, 130, 190, 191, 204, 205, 209, 210, 212, 223, 253, 285, 305, 306, 315, 342, 343, 345, 350, 369, 370, 379, 380, 408, 410, 413, 440, 441, 475, 487, 501, 538, 570, 642, 650
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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M. L. Perez et al., eds., Smarandache Notions Journal
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EXAMPLE
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12 is present because 12^2=144 can be partitioned into three squares 1, 4 and 4.
108^2 = 11664 = 1_16_64, 120^2 = 14400 = 1_4_400, so 108 and 120 are in the sequence.
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CROSSREFS
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Cf. A048646, A048375.
Sequence in context: A152199 A070420 A083681 this_sequence A075696 A061120 A078835
Adjacent sequences: A048650 A048651 A048652 this_sequence A048654 A048655 A048656
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KEYWORD
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base,nice,nonn
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AUTHOR
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Felice Russo (felice.russo(AT)katamail.com)
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EXTENSIONS
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Corrected and extended by Naohiro Nomoto (6284968128(AT)geocities.co.jp), Sep 01 2001
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