n | a(n) |
---|---|
0 | 1 |
1 | 30 |
2 | 350 |
3 | 2450 |
4 | 12348 |
5 | 49392 |
6 | 166320 |
7 | 490050 |
8 | 1297725 |
9 | 3149146 |
10 | 7105098 |
11 | 15071420 |
12 | 30321200 |
13 | 58262400 |
14 | 107535744 |
15 | 191548044 |
16 | 330569505 |
17 | 554550150 |
18 | 906840550 |
19 | 1449035742 |
20 | 2267198780 |
21 | 3479762000 |
22 | 5247450000 |
23 | 7785618750 |
24 | 11379460365 |
25 | 16402583106 |
26 | 23339541330 |
[1,30,350,2450,12348,49392,166320,490050,1297725, 3149146,7105098,15071420,30321200,58262400, 107535744,191548044,330569505,554550150,906840550, 1449035742,2267198780,3479762000,5247450000, 7785618750,11379460365,16402583106,23339541330] |