n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 9 |
3 | 20 |
4 | 155 |
5 | 21 |
6 | 7441 |
7 | 3224 |
8 | 5697 |
9 | 3575 |
10 | 28523 |
11 | 27183 |
12 | 70357417 |
13 | 4661447 |
14 | 386395 |
15 | 8959408 |
16 | 10028928779 |
17 | 525966759 |
18 | 1476346738309 |
19 | 35051863075 |
20 | 847581175 |
21 | 709068173 |
22 | 62385202783 |
23 | 20340152122 |
24 | 119483756745025 |
25 | 4418168441921 |
26 | 311960929172031 |
[1,2,9,20,155,21,7441,3224,5697,3575,28523,27183, 70357417,4661447,386395,8959408,10028928779, 525966759,1476346738309,35051863075,847581175, 709068173,62385202783,20340152122,119483756745025, 4418168441921,311960929172031] |