n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 12 |
3 | 55 |
4 | 274 |
5 | 1443 |
6 | 7905 |
7 | 44593 |
8 | 257305 |
9 | 1511553 |
10 | 9010170 |
11 | 54361486 |
12 | 331336454 |
13 | 2037132958 |
14 | 12619056108 |
15 | 78682008194 |
16 | 493427982703 |
17 | 3110202012353 |
18 | 19693920616872 |
19 | 125214061831251 |
20 | 799059649687239 |
21 | 5116372686471627 |
22 | 32860439054510610 |
[1,3,12,55,274,1443,7905,44593,257305,1511553, 9010170,54361486,331336454,2037132958,12619056108, 78682008194,493427982703,3110202012353, 19693920616872,125214061831251,799059649687239, 5116372686471627,32860439054510610] |