| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 26 |
| 2 | 445 |
| 3 | 6410 |
| 4 | 84781 |
| 5 | 1071986 |
| 6 | 13229485 |
| 7 | 161139770 |
| 8 | 1948959661 |
| 9 | 23484063746 |
| 10 | 282412377325 |
| 11 | 3392692006730 |
| 12 | 40735374508141 |
| 13 | 488965966028306 |
| 14 | 5868455675537965 |
| 15 | 70426728878067290 |
| 16 | 845152692571634221 |
[1,26,445,6410,84781,1071986,13229485,161139770, 1948959661,23484063746,282412377325,3392692006730, 40735374508141,488965966028306,5868455675537965, 70426728878067290,845152692571634221] |