n | a(n) |
---|---|
0 | 1 |
1 | 113 |
2 | 2705 |
3 | 28129 |
4 | 177697 |
5 | 807505 |
6 | 2908337 |
7 | 8818625 |
8 | 23429185 |
9 | 56070193 |
10 | 123302609 |
11 | 252868001 |
12 | 489082465 |
13 | 899992081 |
14 | 1586639089 |
15 | 2694819713 |
16 | 4429746305 |
17 | 7074058225 |
18 | 11009657617 |
19 | 16743877985 |
[1,113,2705,28129,177697,807505,2908337,8818625, 23429185,56070193,123302609,252868001,489082465, 899992081,1586639089,2694819713,4429746305, 7074058225,11009657617,16743877985] |