n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 16 |
4 | 141 |
5 | 1871 |
6 | 34951 |
7 | 873174 |
8 | 27951929 |
9 | 1107415549 |
10 | 52891809491 |
11 | 2987861887924 |
12 | 196828568831365 |
13 | 14950745148070499 |
14 | 1296606974501951743 |
15 | 127238563043551898986 |
16 | 14012626653816435643633 |
17 | 1719136634276882827095009 |
18 | 233448782800118609096218891 |
[1,1,3,16,141,1871,34951,873174,27951929, 1107415549,52891809491,2987861887924, 196828568831365,14950745148070499, 1296606974501951743,127238563043551898986, 14012626653816435643633,1719136634276882827095009, 233448782800118609096218891] |