The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 215 |
| 3 | 5942 |
| 4 | 186111 |
| 5 | 6283192 |
| 6 | 222992692 |
| 7 | 8201608382 |
| 8 | 309834609743 |
| 9 | 11950890428170 |
| 10 | 468707758663887 |
| 11 | 18634632264615272 |
| 12 | 749325132218313540 |
| 13 | 30422303269317412048 |
| 14 | 1245346665979469486376 |
| 15 | 51343805279989437688334 |
| 16 | 2130090659402456357279919 |
| 17 | 88858984785475871013971710 |
[1,10,215,5942,186111,6283192,222992692, 8201608382,309834609743,11950890428170, 468707758663887,18634632264615272, 749325132218313540,30422303269317412048, 1245346665979469486376,51343805279989437688334, 2130090659402456357279919, 88858984785475871013971710] |