n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 14 |
4 | 116 |
5 | 1376 |
6 | 19926 |
7 | 346128 |
8 | 6964712 |
9 | 159396352 |
10 | 4085415850 |
11 | 115906440704 |
12 | 3605365584732 |
13 | 121998144397312 |
14 | 4461190462108030 |
15 | 175305587376883712 |
16 | 7366747721719011280 |
17 | 329646098258032459776 |
18 | 15649117182518598570834 |
19 | 785528920149992297070592 |
[0,1,2,14,116,1376,19926,346128,6964712,159396352, 4085415850,115906440704,3605365584732, 121998144397312,4461190462108030, 175305587376883712,7366747721719011280, 329646098258032459776,15649117182518598570834, 785528920149992297070592] |