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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 190 |
| 4 | 24444 |
| 5 | 6189050 |
| 6 | 2551526428 |
| 7 | 1545212826174 |
| 8 | 1288051774444110 |
| 9 | 1412705106844118046 |
| 10 | 1971892031185697252554 |
| 11 | 3413903325218336008192250 |
| 12 | 7181500581229611492081984526 |
| 13 | 18048175081484797766245697300090 |
| 14 | 53425898749319275351535742806432314 |
| 15 | 184046820557885265127311961578368691278 |
| 16 | 730192327635057505047728578528016106455194 |
[1,2,5,190,24444,6189050,2551526428,1545212826174, 1288051774444110,1412705106844118046, 1971892031185697252554,3413903325218336008192250, 7181500581229611492081984526, 18048175081484797766245697300090, 53425898749319275351535742806432314, 184046820557885265127311961578368691278, 730192327635057505047728578528016106455194] |