n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 2308743493056 |
5 | 674741194624071430134879600 |
6 | 4286480050914725856131217361234536200970000 |
7 | 422006703164863149555124419847097220761027785050113408280000 |
[0,0,1,2308743493056,674741194624071430134879600, 4286480050914725856131217361234536200970000, 42200670316486314955512441984709722076102778505011\ 3408280000] |