n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 30 |
4 | 338 |
5 | 5169 |
6 | 101251 |
7 | 2446806 |
8 | 71043973 |
9 | 2429762734 |
10 | 96364601877 |
11 | 4375603494478 |
12 | 225044659552381 |
13 | 12990629618136191 |
14 | 834981228656630494 |
15 | 59346659738963806022 |
16 | 4635924974380060251228 |
17 | 395864230878802130389079 |
18 | 36773114396103232927777067 |
[1,1,4,30,338,5169,101251,2446806,71043973, 2429762734,96364601877,4375603494478, 225044659552381,12990629618136191, 834981228656630494,59346659738963806022, 4635924974380060251228,395864230878802130389079, 36773114396103232927777067] |