n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 126 |
3 | 2184 |
4 | 16380 |
5 | 78120 |
6 | 279930 |
7 | 823536 |
8 | 2097144 |
9 | 4782960 |
10 | 9999990 |
11 | 19487160 |
12 | 35831796 |
13 | 62748504 |
14 | 105413490 |
15 | 170859360 |
16 | 268435440 |
17 | 410338656 |
18 | 612220014 |
19 | 893871720 |
20 | 1279999980 |
21 | 1801088520 |
22 | 2494357866 |
23 | 3404825424 |
24 | 4586471400 |
25 | 6103515600 |
26 | 8031810150 |
[0,0,126,2184,16380,78120,279930,823536,2097144, 4782960,9999990,19487160,35831796,62748504, 105413490,170859360,268435440,410338656,612220014, 893871720,1279999980,1801088520,2494357866, 3404825424,4586471400,6103515600,8031810150] |