n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 4 |
5 | 68 |
6 | 812 |
7 | 8512 |
8 | 84312 |
9 | 814184 |
10 | 7781712 |
11 | 74182124 |
12 | 708344640 |
13 | 6790655496 |
14 | 65440865012 |
15 | 634347822304 |
16 | 6186652422650 |
17 | 60707391493004 |
18 | 599283097168488 |
19 | 5950282272766412 |
20 | 59408426130151164 |
21 | 596269843123151304 |
22 | 6014472189177940224 |
23 | 60952019560703982452 |
[0,0,0,4,68,812,8512,84312,814184,7781712, 74182124,708344640,6790655496,65440865012, 634347822304,6186652422650,60707391493004, 599283097168488,5950282272766412, 59408426130151164,596269843123151304, 6014472189177940224,60952019560703982452] |