n | a(n) |
---|---|
1 | 6 |
2 | 68 |
3 | 374 |
4 | 2769 |
5 | 21280 |
6 | 153291 |
7 | 1140298 |
8 | 8501730 |
9 | 63020066 |
10 | 468581721 |
11 | 3484714268 |
12 | 25901230607 |
13 | 192574316408 |
14 | 1431802305390 |
15 | 10645025312976 |
16 | 79144742442479 |
17 | 588434457795260 |
18 | 4374940448305943 |
19 | 32527247664643690 |
[6,68,374,2769,21280,153291,1140298,8501730, 63020066,468581721,3484714268,25901230607, 192574316408,1431802305390,10645025312976, 79144742442479,588434457795260,4374940448305943, 32527247664643690] |