n | a(n) |
---|---|
0 | 1 |
1 | 126 |
2 | 1932 |
3 | 12138 |
4 | 47544 |
5 | 140070 |
6 | 341796 |
7 | 730002 |
8 | 1412208 |
9 | 2531214 |
10 | 4270140 |
11 | 6857466 |
12 | 10572072 |
13 | 15748278 |
14 | 22780884 |
15 | 32130210 |
16 | 44327136 |
17 | 59978142 |
18 | 79770348 |
19 | 104476554 |
20 | 134960280 |
21 | 172180806 |
22 | 217198212 |
23 | 271178418 |
[1,126,1932,12138,47544,140070,341796,730002, 1412208,2531214,4270140,6857466,10572072,15748278, 22780884,32130210,44327136,59978142,79770348, 104476554,134960280,172180806,217198212,271178418] |