n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 15 |
3 | 112 |
4 | 1125 |
5 | 14256 |
6 | 218491 |
7 | 3932160 |
8 | 81310473 |
9 | 1900000000 |
10 | 49516901511 |
11 | 1424099377152 |
12 | 44804009850925 |
13 | 1530735634132992 |
14 | 56439656982421875 |
15 | 2233785415175766016 |
16 | 94459960699823921169 |
17 | 4250383588380798812160 |
18 | 202774313738037680879743 |
[1,3,15,112,1125,14256,218491,3932160,81310473, 1900000000,49516901511,1424099377152, 44804009850925,1530735634132992,56439656982421875, 2233785415175766016,94459960699823921169, 4250383588380798812160,202774313738037680879743] |