n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 1 |
4 | 5 |
5 | 10 |
6 | 42 |
7 | 107 |
8 | 429 |
9 | 1234 |
10 | 4862 |
11 | 15032 |
12 | 58786 |
13 | 190588 |
14 | 742900 |
15 | 2490399 |
16 | 9694845 |
17 | 33312770 |
18 | 129644790 |
19 | 453999656 |
20 | 1767263190 |
21 | 6282014804 |
22 | 24466267020 |
23 | 88026769844 |
24 | 343059613650 |
25 | 1246635155180 |
26 | 4861946401452 |
27 | 17815452662152 |
[0,1,1,5,10,42,107,429,1234,4862,15032,58786, 190588,742900,2490399,9694845,33312770,129644790, 453999656,1767263190,6282014804,24466267020, 88026769844,343059613650,1246635155180, 4861946401452,17815452662152] |