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 | 334796 |
13 | 777107 |
14 | 10574991 |
15 | 52611728 |
16 | 342198939 |
17 | 1094122103 |
18 | 18448004164 |
19 | 38504610244 |
20 | 538330828006 |
21 | 2215487105213 |
22 | 16330536692133 |
23 | 45407723468330 |
[0,0,0,0,0,1,4,83,454,5761,17998,334796,777107, 10574991,52611728,342198939,1094122103, 18448004164,38504610244,538330828006, 2215487105213,16330536692133,45407723468330] |