|
Search: id:A045704
|
|
|
| A045704 |
|
Numbers of the form F(i)^2 + F(j)^3, where F() are Fibonacci numbers. |
|
+0
2
|
|
| 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)
|
|
|
OFFSET
|
1,3
|
|
|
FORMULA
|
For example, a(6)=9 because 9=2^3+1^2 or 9=0^3+3^2.
|
|
MATHEMATICA
|
f = Table[ Fibonacci[ i ], {i, 0, 25} ]; Take[ Union[ Flatten[ Table[ f[ [ i ] ]^2 + f[ [ j ] ]^3, {i, 1, 26}, {j, 1, 26} ] ] ], 56 ]
|
|
CROSSREFS
|
Cf. A000045.
Adjacent sequences: A045701 A045702 A045703 this_sequence A045705 A045706 A045707
Sequence in context: A131615 A087815 A022549 this_sequence A084581 A121996 A091072
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
Felice Russo (felice.russo(AT)katamail.com)
|
|
|
Search completed in 0.002 seconds
|
