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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 26 |
| 2 | 455 |
| 3 | 6760 |
| 4 | 92301 |
| 5 | 1200966 |
| 6 | 15177955 |
| 7 | 188364020 |
| 8 | 2310685001 |
| 9 | 28133195506 |
| 10 | 340850357055 |
| 11 | 4116281407680 |
| 12 | 49604299052101 |
| 13 | 596924491783646 |
| 14 | 7176484756065755 |
| 15 | 86224982057057740 |
| 16 | 1035557295293705601 |
[1,26,455,6760,92301,1200966,15177955,188364020, 2310685001,28133195506,340850357055,4116281407680, 49604299052101,596924491783646,7176484756065755, 86224982057057740,1035557295293705601] |