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Search: id:A155469
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| A155469 |
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Numbers that are the sum of 2 (not-distinct) numbers; nonzero square and cube, including repetitions. |
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+0
4
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| 2, 5, 9, 10, 12, 17, 17, 24, 26, 28, 31, 33, 36, 37, 43, 44, 50, 52, 57, 63, 65, 65, 68, 72, 73, 76, 80, 82, 89, 89, 91, 100, 101, 108, 108, 113, 122, 126, 127, 128, 129, 129, 134, 141, 145, 145, 148, 150, 152, 161, 164, 170, 171, 174, 177, 185, 189, 196, 197, 204
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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5=2^2+1^3, 12=2^2+2^3, 17=3^2+2^3, 31=2^2+3^3, 43=4^2+3^3, 65=1^2+4^3, 65=8^2+1^3, 100=6^2+4^3, ...
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MATHEMATICA
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lst={}; Do[Do[Do[a=x^2+y^3; If[a>n, Break[]]; If[a==n, AppendTo[lst, n]], {y, 5!}], {x, 5!}], {n, 4*5!}]; lst
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CROSSREFS
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Cf. A088719, A088677, A088703, A088687, A001235, A024670, A025320, A025319, A025318, A025317, A025316, A025315, A025314, A025313, A024508, A004431, A134961, A024507, A155468
Sequence in context: A070240 A007369 A100530 this_sequence A055394 A078360 A114995
Adjacent sequences: A155466 A155467 A155468 this_sequence A155470 A155471 A155472
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KEYWORD
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nonn
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AUTHOR
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Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 23 2009
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