n | a(n) |
---|---|
6 | 5 |
7 | 15 |
8 | 119 |
9 | 421 |
10 | 2254 |
11 | 8999 |
12 | 40349 |
13 | 166817 |
14 | 737829 |
15 | 3008774 |
16 | 13186593 |
17 | 54944783 |
18 | 238422808 |
19 | 1010671048 |
20 | 4395831546 |
21 | 18821162274 |
22 | 82799233661 |
23 | 359711480525 |
24 | 1599420076729 |
25 | 7030074945271 |
26 | 31626819884986 |
27 | 141486845119777 |
28 | 646988113794544 |
29 | 2940338763342920 |
[5,15,119,421,2254,8999,40349,166817,737829, 3008774,13186593,54944783,238422808,1010671048, 4395831546,18821162274,82799233661,359711480525, 1599420076729,7030074945271,31626819884986, 141486845119777,646988113794544,2940338763342920] |