|
| |
|
|
A014938
|
|
a(1)=1, a(n)=n*21^(n-1)+a(n-1).
|
|
0
| |
|
|
1, 43, 1366, 38410, 1010815, 25515421, 625878268, 15034586596, 355440320845, 8298240786655, 191776931546866, 4395106938053518, 100020864586079851, 2262634152933752305, 50921433140756382520, 1140878530467983299336
(list; graph; refs; listen; history; internal format)
|
| |
| |
|
|
