|
| |
|
|
A133444
|
|
a(n)=sum{k=0..n, C(n,floor(k/2))*(-1)^k*4^(n-k)}.
|
|
0
| |
|
|
1, 3, 14, 57, 246, 1038, 4424, 18777, 79846, 339258, 1442004, 6128202, 26045436, 110691948, 470442924, 1999378137, 8497365126, 36113785698
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
