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Search: id:A045704
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| A045704 |
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Numbers of the form F(i)^2 + F(j)^3, where F() are Fibonacci numbers. |
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+0
2
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| 0, 1, 2, 4, 5, 8, 9, 10, 12, 17, 25, 26, 27, 28, 31, 33, 36, 52, 64, 65, 72, 91, 125, 126, 129, 134, 150, 169, 170, 177, 189, 196, 294, 441, 442, 449, 468, 512, 513, 516, 521, 537, 566, 576, 681, 953, 1156, 1157, 1164, 1183, 1281, 1668, 2197, 2198, 2201, 2206
(list; graph; listen)
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OFFSET
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1,3
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FORMULA
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For example, a(6)=9 because 9=2^3+1^2 or 9=0^3+3^2.
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MATHEMATICA
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f = Table[ Fibonacci[ i ], {i, 0, 25} ]; Take[ Union[ Flatten[ Table[ f[ [ i ] ]^2 + f[ [ j ] ]^3, {i, 1, 26}, {j, 1, 26} ] ] ], 56 ]
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CROSSREFS
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Cf. A000045.
Sequence in context: A166110 A087815 A022549 this_sequence A084581 A121996 A091072
Adjacent sequences: A045701 A045702 A045703 this_sequence A045705 A045706 A045707
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KEYWORD
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nonn,easy
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AUTHOR
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Felice Russo (felice.russo(AT)katamail.com)
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