|
| |
|
|
A027986
|
|
Sum{T(n,k)*T(n,k+2)}, 0<=k<=2n-2, T given by A027960.
|
|
0
| |
|
|
20, 100, 420, 1694, 6746, 26735, 105722, 417613, 1648692, 6507197, 25681362, 101359219, 400094756, 1579568360, 6237401648, 24635828774, 97327071806, 384596629610, 1520138671688, 6009885957464, 23765835521966, 94003008751940
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
