n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 20 |
4 | 65 |
5 | 186 |
6 | 462 |
7 | 1016 |
8 | 2025 |
9 | 3730 |
10 | 6446 |
11 | 10572 |
12 | 16601 |
13 | 25130 |
14 | 36870 |
15 | 52656 |
16 | 73457 |
17 | 100386 |
18 | 134710 |
19 | 177860 |
20 | 231441 |
21 | 297242 |
22 | 377246 |
23 | 473640 |
24 | 588825 |
25 | 725426 |
26 | 886302 |
27 | 1074556 |
28 | 1293545 |
29 | 1546890 |
30 | 1838486 |
31 | 2172512 |
32 | 2553441 |
33 | 2986050 |
34 | 3475430 |
35 | 4026996 |
[1,2,6,20,65,186,462,1016,2025,3730,6446,10572, 16601,25130,36870,52656,73457,100386,134710, 177860,231441,297242,377246,473640,588825,725426, 886302,1074556,1293545,1546890,1838486,2172512, 2553441,2986050,3475430,4026996] |