n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 14 |
4 | 43 |
5 | 156 |
6 | 535 |
7 | 1956 |
8 | 7175 |
9 | 26418 |
10 | 98375 |
11 | 367176 |
12 | 1378022 |
13 | 5193625 |
14 | 19641164 |
15 | 74535167 |
16 | 283651169 |
17 | 1082274210 |
18 | 4139129734 |
19 | 15863315213 |
20 | 60913982404 |
21 | 234317240601 |
22 | 902804442380 |
23 | 3483620505111 |
24 | 13460665855850 |
[1,1,5,14,43,156,535,1956,7175,26418,98375,367176, 1378022,5193625,19641164,74535167,283651169, 1082274210,4139129734,15863315213,60913982404, 234317240601,902804442380,3483620505111, 13460665855850] |