n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 8 |
4 | 63 |
5 | 893 |
6 | 19714 |
7 | 597510 |
8 | 22903403 |
9 | 1056115331 |
10 | 56744710974 |
11 | 3475626211316 |
12 | 238818544070905 |
13 | 18183183610029003 |
14 | 1519020289266947462 |
15 | 138117136134012654182 |
16 | 13576724206357958780409 |
17 | 1434561741418662640589225 |
18 | 162136032834834405685977058 |
19 | 19516966563322659948894106704 |
[1,1,2,8,63,893,19714,597510,22903403,1056115331, 56744710974,3475626211316,238818544070905, 18183183610029003,1519020289266947462, 138117136134012654182,13576724206357958780409, 1434561741418662640589225, 162136032834834405685977058, 19516966563322659948894106704] |