n | a(n) |
---|---|
1 | 3 |
2 | 51 |
3 | 113 |
4 | 331 |
5 | 3087 |
6 | 16382 |
7 | 66575 |
8 | 500251 |
9 | 3416740 |
10 | 19047049 |
11 | 129559620 |
12 | 890468688 |
13 | 5562164262 |
14 | 37167105351 |
15 | 250462725049 |
16 | 1626396906120 |
17 | 10812077191872 |
18 | 72132909231600 |
19 | 474626430850484 |
20 | 3149382854919519 |
[3,51,113,331,3087,16382,66575,500251,3416740, 19047049,129559620,890468688,5562164262, 37167105351,250462725049,1626396906120, 10812077191872,72132909231600,474626430850484, 3149382854919519] |