n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 7 |
4 | 32 |
5 | 181 |
6 | 1214 |
7 | 9403 |
8 | 82508 |
9 | 808393 |
10 | 8743994 |
11 | 103459471 |
12 | 1328953592 |
13 | 18414450877 |
14 | 273749755382 |
15 | 4345634192131 |
16 | 73362643649444 |
17 | 1312349454922513 |
18 | 24796092486996338 |
19 | 493435697986613143 |
20 | 10315043624498196944 |
[0,1,2,7,32,181,1214,9403,82508,808393,8743994, 103459471,1328953592,18414450877,273749755382, 4345634192131,73362643649444,1312349454922513, 24796092486996338,493435697986613143, 10315043624498196944] |