n | a(n) |
---|---|
1 | 0 |
2 | 184 |
3 | 8788 |
4 | 126016 |
5 | 953312 |
6 | 4980744 |
7 | 20000844 |
8 | 66781696 |
9 | 192914176 |
10 | 498751000 |
11 | 1176318500 |
12 | 2576159424 |
13 | 5295012768 |
14 | 10321114216 |
15 | 19204598812 |
16 | 34338770944 |
17 | 59257739264 |
18 | 99137135736 |
19 | 161273290356 |
20 | 255920008000 |
21 | 397011388000 |
22 | 603492894664 |
23 | 900354295148 |
[0,184,8788,126016,953312,4980744,20000844, 66781696,192914176,498751000,1176318500, 2576159424,5295012768,10321114216,19204598812, 34338770944,59257739264,99137135736,161273290356, 255920008000,397011388000,603492894664, 900354295148] |