|
Search: id:A014731
|
|
|
| A014731 |
|
Squares of even Lucas numbers. |
|
+0
1
|
|
| 4, 16, 324, 5776, 103684, 1860496, 33385284, 599074576, 10749957124, 192900153616, 3461452808004, 62113250390416, 1114577054219524, 20000273725560976, 358890350005878084, 6440026026380244496
(list; graph; listen)
|
|
|
OFFSET
|
0,1
|
|
|
FORMULA
|
Fibonacci(6n+3) - 2*Fibonacci(6n) + 2*(-1)^n. G.f.: 4(-4x^2-13x+1)/[(1+x)(1-18x+x^2)]. - R. Stephan, May 14 2004
|
|
CROSSREFS
|
Adjacent sequences: A014728 A014729 A014730 this_sequence A014732 A014733 A014734
Sequence in context: A067172 A013089 A095956 this_sequence A023114 A067211 A000874
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
Mohammad K. Azarian (ma3(AT)evansville.edu)
|
|
EXTENSIONS
|
More terms from Erich Friedman (erich.friedman(AT)stetson.edu).
|
|
|
Search completed in 0.002 seconds
|
