n | a(n) |
---|---|
1 | 39 |
2 | 181 |
3 | 815 |
4 | 3741 |
5 | 16999 |
6 | 77701 |
7 | 354015 |
8 | 1615917 |
9 | 7368343 |
10 | 33618069 |
11 | 153332623 |
12 | 699480765 |
13 | 3190600647 |
14 | 14554394789 |
15 | 66389867839 |
16 | 302842866765 |
17 | 1381428661751 |
18 | 6301472780213 |
19 | 28744467626991 |
20 | 131119492345053 |
21 | 598108270898471 |
[39,181,815,3741,16999,77701,354015,1615917, 7368343,33618069,153332623,699480765,3190600647, 14554394789,66389867839,302842866765, 1381428661751,6301472780213,28744467626991, 131119492345053,598108270898471] |