n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 38 |
4 | 264 |
5 | 1629 |
6 | 16075 |
7 | 122366 |
8 | 1414952 |
9 | 16076913 |
10 | 213998983 |
11 | 2112313774 |
12 | 53581378400 |
13 | 664573162941 |
14 | 9967808211387 |
15 | 239545427723062 |
16 | 5933102008956848 |
17 | 79857813309308609 |
18 | 2677379355344673255 |
19 | 44453311791217697686 |
20 | 1743982053518367438616 |
[1,7,38,264,1629,16075,122366,1414952,16076913, 213998983,2112313774,53581378400,664573162941, 9967808211387,239545427723062,5933102008956848, 79857813309308609,2677379355344673255, 44453311791217697686,1743982053518367438616] |