n | a(n) |
---|---|
0 | 1 |
1 | 41 |
2 | 860 |
3 | 12300 |
4 | 134889 |
5 | 1209377 |
6 | 9230207 |
7 | 61657399 |
8 | 367846424 |
9 | 1990342376 |
10 | 9885562358 |
11 | 45508669878 |
12 | 195729780567 |
13 | 791712506207 |
14 | 3028721321382 |
15 | 11010682764150 |
16 | 38197208930405 |
17 | 126905454993645 |
18 | 405078061871575 |
[1,41,860,12300,134889,1209377,9230207,61657399, 367846424,1990342376,9885562358,45508669878, 195729780567,791712506207,3028721321382, 11010682764150,38197208930405,126905454993645, 405078061871575] |