n | a(n) |
---|---|
16 | 25 |
17 | 345 |
18 | 2491 |
19 | 12752 |
20 | 52208 |
21 | 181865 |
22 | 560023 |
23 | 1562871 |
24 | 4023608 |
25 | 9680676 |
26 | 21984267 |
27 | 47489003 |
28 | 98186353 |
29 | 195289606 |
30 | 375230830 |
31 | 698927900 |
32 | 1265830989 |
33 | 2234784859 |
34 | 3854523925 |
35 | 6507501455 |
36 | 10772043098 |
37 | 17509238649 |
38 | 27983031722 |
[25,345,2491,12752,52208,181865,560023,1562871, 4023608,9680676,21984267,47489003,98186353, 195289606,375230830,698927900,1265830989, 2234784859,3854523925,6507501455,10772043098, 17509238649,27983031722] |