n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 5 |
3 | 19 |
4 | 43 |
5 | 320 |
6 | 1323 |
7 | 9581 |
8 | 20485 |
9 | 71036 |
10 | 91521 |
11 | 437120 |
12 | 16702081 |
13 | 67245444 |
14 | 83947525 |
15 | 319088019 |
16 | 722123563 |
17 | 5373952960 |
18 | 22217935403 |
19 | 160899500781 |
20 | 344016936965 |
21 | 1192950311676 |
22 | 1536967248641 |
23 | 7340819306240 |
24 | 280488100885761 |
25 | 1129293222849284 |
[1,4,5,19,43,320,1323,9581,20485,71036,91521, 437120,16702081,67245444,83947525,319088019, 722123563,5373952960,22217935403,160899500781, 344016936965,1192950311676,1536967248641, 7340819306240,280488100885761,1129293222849284] |