n | a(n) |
---|---|
1 | 9 |
2 | 116 |
3 | 2580 |
4 | 19544 |
5 | 295020 |
6 | 804076 |
7 | 4022064 |
8 | 7839780 |
9 | 24670536 |
10 | 99133020 |
11 | 147912160 |
12 | 427612404 |
13 | 791672280 |
14 | 1053546956 |
15 | 1796518224 |
16 | 3694034916 |
17 | 7030054140 |
18 | 8586690620 |
19 | 15076346164 |
20 | 21349986840 |
21 | 25222305336 |
22 | 40514492720 |
23 | 54489965796 |
24 | 82830096360 |
25 | 138828513824 |
26 | 176919851700 |
[9,116,2580,19544,295020,804076,4022064,7839780, 24670536,99133020,147912160,427612404,791672280, 1053546956,1796518224,3694034916,7030054140, 8586690620,15076346164,21349986840,25222305336, 40514492720,54489965796,82830096360,138828513824, 176919851700] |