n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 13 |
4 | 73 |
5 | 167 |
6 | 4051 |
7 | 37633 |
8 | 43817 |
9 | 4596553 |
10 | 58941091 |
11 | 274691047 |
12 | 12470162233 |
13 | 202976401213 |
14 | 1178339174801 |
15 | 65573803186921 |
16 | 99264170666917 |
17 | 994319127823939 |
18 | 588633468315403843 |
19 | 13564373693588558173 |
20 | 109232642628695218147 |
21 | 752832094524169066031 |
[1,1,3,13,73,167,4051,37633,43817,4596553, 58941091,274691047,12470162233,202976401213, 1178339174801,65573803186921,99264170666917, 994319127823939,588633468315403843, 13564373693588558173,109232642628695218147, 752832094524169066031] |