n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 29 |
4 | 131 |
5 | 623 |
6 | 3064 |
7 | 15423 |
8 | 78936 |
9 | 408958 |
10 | 2137993 |
11 | 11252163 |
12 | 59508232 |
13 | 315786764 |
14 | 1679410076 |
15 | 8941421014 |
16 | 47613443433 |
17 | 253359512287 |
18 | 1346009853489 |
19 | 7133000408765 |
20 | 37669665812955 |
21 | 198034693198875 |
22 | 1035095172883710 |
23 | 5371011415598595 |
24 | 27615259784888724 |
[1,2,7,29,131,623,3064,15423,78936,408958,2137993, 11252163,59508232,315786764,1679410076,8941421014, 47613443433,253359512287,1346009853489, 7133000408765,37669665812955,198034693198875, 1035095172883710,5371011415598595, 27615259784888724] |