n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 1 |
7 | 4 |
8 | 83 |
9 | 454 |
10 | 5761 |
11 | 17998 |
12 | 334797 |
13 | 777107 |
14 | 10574995 |
15 | 52611728 |
16 | 342199022 |
17 | 1094122103 |
18 | 18448004619 |
19 | 38504610244 |
20 | 538330833767 |
21 | 2215487105217 |
22 | 16330536710131 |
23 | 45407723468330 |
[0,0,0,0,0,1,4,83,454,5761,17998,334797,777107, 10574995,52611728,342199022,1094122103, 18448004619,38504610244,538330833767, 2215487105217,16330536710131,45407723468330] |