n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 9 |
6 | 19 |
7 | 99 |
8 | 477 |
9 | 1513 |
10 | 11259 |
11 | 74601 |
12 | 315523 |
13 | 3052323 |
14 | 25740261 |
15 | 136085041 |
16 | 1620265923 |
17 | 16591655817 |
18 | 105261234643 |
19 | 1488257158851 |
20 | 17929265150637 |
21 | 132705221399353 |
22 | 2172534146099019 |
23 | 30098784753112329 |
24 | 254604707462013571 |
25 | 4736552519729393091 |
26 | 74180579084559895221 |
27 | 705927677520644167681 |
28 | 14708695606607601165843 |
29 | 256937013876000351610089 |
30 | 2716778010767155313771539 |
[1,1,1,1,3,9,19,99,477,1513,11259,74601,315523, 3052323,25740261,136085041,1620265923,16591655817, 105261234643,1488257158851,17929265150637, 132705221399353,2172534146099019, 30098784753112329,254604707462013571, 4736552519729393091,74180579084559895221, 705927677520644167681,14708695606607601165843, 256937013876000351610089, 2716778010767155313771539] |