n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 6 |
4 | 10 |
5 | 55 |
6 | 66 |
7 | 210 |
8 | 253 |
9 | 666 |
10 | 780 |
11 | 4851 |
12 | 8911 |
13 | 15400 |
14 | 17766 |
15 | 125751 |
16 | 303810 |
17 | 407253 |
18 | 906531 |
19 | 1125750 |
20 | 2648451 |
21 | 5925403 |
22 | 6706953 |
23 | 15772536 |
24 | 22207780 |
25 | 50085036 |
26 | 78406503 |
27 | 438094800 |
28 | 1623331710 |
29 | 1764803755 |
30 | 3437158416 |
[1,3,6,10,55,66,210,253,666,780,4851,8911,15400, 17766,125751,303810,407253,906531,1125750,2648451, 5925403,6706953,15772536,22207780,50085036, 78406503,438094800,1623331710,1764803755, 3437158416] |