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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 45 |
| 3 | 565 |
| 4 | 9085 |
| 5 | 177925 |
| 6 | 4106445 |
| 7 | 109105365 |
| 8 | 3279219485 |
| 9 | 109983317925 |
| 10 | 4071784884845 |
| 11 | 164919693538165 |
| 12 | 7253726995805885 |
| 13 | 344284133391481925 |
| 14 | 17538600019076063245 |
| 15 | 954467594134586386965 |
| 16 | 55263075631036363208285 |
| 17 | 3391909484128563111709925 |
[1,5,45,565,9085,177925,4106445,109105365, 3279219485,109983317925,4071784884845, 164919693538165,7253726995805885, 344284133391481925,17538600019076063245, 954467594134586386965,55263075631036363208285, 3391909484128563111709925] |