The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 6 |
| 2 | 107 |
| 3 | 3508 |
| 4 | 171741 |
| 5 | 11280842 |
| 6 | 933014767 |
| 7 | 93212094024 |
| 8 | 10925496633401 |
| 9 | 1470493880790382 |
| 10 | 223555405538724819 |
| 11 | 37892802280129883324 |
| 12 | 7086076189702624109653 |
| 13 | 1449303152891376476830962 |
| 14 | 321848482510755456019058519 |
| 15 | 77124029495405859198280522768 |
[1,6,107,3508,171741,11280842,933014767, 93212094024,10925496633401,1470493880790382, 223555405538724819,37892802280129883324, 7086076189702624109653,1449303152891376476830962, 321848482510755456019058519, 77124029495405859198280522768] |