n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 15 |
4 | 44 |
5 | 95 |
6 | 810 |
7 | 3584 |
8 | 13601 |
9 | 49187 |
10 | 197831 |
11 | 920345 |
12 | 3745875 |
13 | 14494788 |
14 | 58466304 |
15 | 243363244 |
16 | 1012390911 |
17 | 4085371535 |
18 | 16456420010 |
19 | 67412210283 |
20 | 276914220974 |
21 | 1130097787904 |
22 | 4590922577189 |
23 | 18705516783485 |
24 | 76486762139375 |
25 | 312377025526395 |
26 | 1273176493329591 |
[0,1,15,44,95,810,3584,13601,49187,197831,920345, 3745875,14494788,58466304,243363244,1012390911, 4085371535,16456420010,67412210283,276914220974, 1130097787904,4590922577189,18705516783485, 76486762139375,312377025526395,1273176493329591] |