n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 252 |
3 | 456 |
4 | 2178 |
5 | 4320 |
6 | 7176 |
7 | 13536 |
8 | 21744 |
9 | 35072 |
10 | 43560 |
11 | 60984 |
12 | 95712 |
13 | 125280 |
14 | 143280 |
15 | 178080 |
16 | 261234 |
17 | 315648 |
18 | 347748 |
19 | 424152 |
20 | 557280 |
21 | 665280 |
22 | 695592 |
23 | 804960 |
24 | 1070112 |
25 | 1262592 |
26 | 1226520 |
27 | 1418592 |
[1,0,252,456,2178,4320,7176,13536,21744,35072, 43560,60984,95712,125280,143280,178080,261234, 315648,347748,424152,557280,665280,695592,804960, 1070112,1262592,1226520,1418592] |