n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 20 |
3 | 65 |
4 | 190 |
5 | 506 |
6 | 1265 |
7 | 2986 |
8 | 6745 |
9 | 14645 |
10 | 30767 |
11 | 62745 |
12 | 124706 |
13 | 242110 |
14 | 460337 |
15 | 858673 |
16 | 1574140 |
17 | 2839862 |
18 | 5048435 |
19 | 8852562 |
20 | 15327290 |
21 | 26224173 |
22 | 44372688 |
23 | 74301095 |
24 | 123200079 |
25 | 202394897 |
26 | 329596348 |
27 | 532299955 |
28 | 852914900 |
29 | 1356426196 |
30 | 2141819621 |
[1,5,20,65,190,506,1265,2986,6745,14645,30767, 62745,124706,242110,460337,858673,1574140,2839862, 5048435,8852562,15327290,26224173,44372688, 74301095,123200079,202394897,329596348,532299955, 852914900,1356426196,2141819621] |