n | a(n) |
---|---|
12 | 2 |
13 | 54 |
14 | 737 |
15 | 7330 |
16 | 60362 |
17 | 438284 |
18 | 2908069 |
19 | 18032906 |
20 | 106088843 |
21 | 598428100 |
22 | 3261717223 |
23 | 17278076588 |
24 | 89351738840 |
25 | 452686823796 |
26 | 2253216812878 |
27 | 11043624323310 |
28 | 53399946187312 |
29 | 255135202590382 |
30 | 1206067676613670 |
[2,54,737,7330,60362,438284,2908069,18032906, 106088843,598428100,3261717223,17278076588, 89351738840,452686823796,2253216812878, 11043624323310,53399946187312,255135202590382, 1206067676613670] |