n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 16 |
4 | 62 |
5 | 264 |
6 | 1170 |
7 | 5310 |
8 | 24599 |
9 | 116090 |
10 | 556569 |
11 | 2703098 |
12 | 13268900 |
13 | 65721840 |
14 | 328050639 |
15 | 1648535856 |
16 | 8333536002 |
17 | 42348587700 |
18 | 216211838178 |
19 | 1108514508608 |
20 | 5704874555112 |
21 | 29460504457692 |
22 | 152612723209700 |
23 | 792833380805160 |
24 | 4129639139612133 |
[1,2,5,16,62,264,1170,5310,24599,116090,556569, 2703098,13268900,65721840,328050639,1648535856, 8333536002,42348587700,216211838178,1108514508608, 5704874555112,29460504457692,152612723209700, 792833380805160,4129639139612133] |