n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 5 |
5 | 16 |
6 | 79 |
7 | 421 |
8 | 2673 |
9 | 19216 |
10 | 156021 |
11 | 1411873 |
12 | 14117773 |
13 | 154730720 |
14 | 1845959179 |
15 | 23826445501 |
16 | 330951133537 |
17 | 4923574598112 |
18 | 78123812086441 |
19 | 1317174439409409 |
20 | 23517962293307701 |
21 | 443340968936640496 |
22 | 8799729204814165223 |
23 | 183448995762912568885 |
[1,0,1,1,5,16,79,421,2673,19216,156021,1411873, 14117773,154730720,1845959179,23826445501, 330951133537,4923574598112,78123812086441, 1317174439409409,23517962293307701, 443340968936640496,8799729204814165223, 183448995762912568885] |