n | a(n) |
---|---|
1 | 1 |
2 | 257 |
3 | 10257 |
4 | 170257 |
5 | 1670882 |
6 | 11505378 |
7 | 61292514 |
8 | 268652514 |
9 | 1009853139 |
10 | 3352413139 |
11 | 10042998755 |
12 | 27598188771 |
13 | 70457539396 |
14 | 168802499396 |
15 | 382616259396 |
16 | 825980472132 |
17 | 1707628231653 |
18 | 3396588391653 |
19 | 6525595601653 |
20 | 12150082161653 |
21 | 21987344308134 |
22 | 38769279231910 |
[1,257,10257,170257,1670882,11505378,61292514, 268652514,1009853139,3352413139,10042998755, 27598188771,70457539396,168802499396,382616259396, 825980472132,1707628231653,3396588391653, 6525595601653,12150082161653,21987344308134, 38769279231910] |