n | a(n) |
---|---|
1 | 2 |
2 | 21 |
3 | 6765 |
4 | 10946 |
5 | 2178309 |
6 | 14930352 |
7 | 102334155 |
8 | 701408733 |
9 | 1134903170 |
10 | 4807526976 |
11 | 20365011074 |
12 | 32951280099 |
13 | 225851433717 |
14 | 1548008755920 |
15 | 10610209857723 |
16 | 72723460248141 |
17 | 117669030460994 |
18 | 498454011879264 |
19 | 2111485077978050 |
20 | 3416454622906707 |
[2,21,6765,10946,2178309,14930352,102334155, 701408733,1134903170,4807526976,20365011074, 32951280099,225851433717,1548008755920, 10610209857723,72723460248141,117669030460994, 498454011879264,2111485077978050,3416454622906707] |