The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 43 |
| 4 | 75 |
| 5 | 1186 |
| 6 | 16129 |
| 7 | 22171310 |
| 8 | 29231814 |
| 9 | 3730241915 |
| 10 | 4638312520 |
| 11 | 564739322621 |
| 12 | 675748403327 |
| 13 | 79685849413428 |
| 14 | 92806959504235 |
| 15 | 10693817060514336 |
| 16 | 121107948271615244 |
| 17 | 137122108958372625345 |
| 18 | 1541381231099684736354 |
| 19 | 1721551391241109785746455 |
[1,2,43,75,1186,16129,22171310,29231814, 3730241915,4638312520,564739322621,675748403327, 79685849413428,92806959504235,10693817060514336, 121107948271615244,137122108958372625345, 1541381231099684736354,1721551391241109785746455] |