n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 73 |
3 | 1417 |
4 | 19834 |
5 | 190131 |
6 | 1398547 |
7 | 8246011 |
8 | 40837569 |
9 | 174901563 |
10 | 664006236 |
11 | 2274999093 |
12 | 7139338769 |
13 | 20758868781 |
14 | 56466073587 |
15 | 144806582536 |
16 | 352420554194 |
17 | 818441723112 |
18 | 1822255658908 |
19 | 3905392549491 |
20 | 8084697432576 |
21 | 16214886608495 |
22 | 31590986308810 |
23 | 59926495673780 |
[1,1,73,1417,19834,190131,1398547,8246011, 40837569,174901563,664006236,2274999093, 7139338769,20758868781,56466073587,144806582536, 352420554194,818441723112,1822255658908, 3905392549491,8084697432576,16214886608495, 31590986308810,59926495673780] |