n | a(n) |
---|---|
3 | 10 |
4 | 42 |
5 | 167 |
6 | 662 |
7 | 2670 |
8 | 10846 |
9 | 44199 |
10 | 180438 |
11 | 737762 |
12 | 3021000 |
13 | 12387990 |
14 | 50864885 |
15 | 209095841 |
16 | 860447494 |
17 | 3544046278 |
18 | 14608974346 |
19 | 60261567146 |
20 | 248726602105 |
21 | 1027143932653 |
22 | 4243640251368 |
23 | 17539577253151 |
24 | 72518982292559 |
25 | 299928724501455 |
[10,42,167,662,2670,10846,44199,180438,737762, 3021000,12387990,50864885,209095841,860447494, 3544046278,14608974346,60261567146,248726602105, 1027143932653,4243640251368,17539577253151, 72518982292559,299928724501455] |