n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1 |
3 | 10 |
4 | 55 |
5 | 307 |
6 | 2026 |
7 | 14779 |
8 | 114157 |
9 | 933616 |
10 | 8110261 |
11 | 74525167 |
12 | 719925328 |
13 | 7279859485 |
14 | 76855303981 |
15 | 845280487018 |
16 | 9663800287483 |
17 | 114601481983855 |
18 | 1407040763488354 |
19 | 17856103120048783 |
20 | 233883061849700137 |
21 | 3157648445216335528 |
22 | 43887908697233605489 |
[0,1,1,10,55,307,2026,14779,114157,933616,8110261, 74525167,719925328,7279859485,76855303981, 845280487018,9663800287483,114601481983855, 1407040763488354,17856103120048783, 233883061849700137,3157648445216335528, 43887908697233605489] |