n | a(n) |
---|---|
3 | 8 |
4 | 52 |
5 | 288 |
6 | 1424 |
7 | 6648 |
8 | 29700 |
9 | 128800 |
10 | 545600 |
11 | 2269672 |
12 | 9303140 |
13 | 37672216 |
14 | 150998016 |
15 | 599988696 |
16 | 2366216164 |
17 | 9270987656 |
18 | 36116062832 |
19 | 139978757920 |
20 | 540069059028 |
21 | 2075217121688 |
22 | 7944690769952 |
23 | 30313624200640 |
24 | 115312027433188 |
25 | 437420730644304 |
26 | 1655047867097280 |
27 | 6247339311097296 |
28 | 23530440547115428 |
29 | 88447214709073696 |
30 | 331832490378209152 |
31 | 1242766581420901656 |
32 | 4646714574562484628 |
33 | 17347357264162110368 |
34 | 64668460220964604944 |
35 | 240747014238189337840 |
36 | 895102104022837748484 |
37 | 3323982608759454833032 |
38 | 12329573838525875316560 |
39 | 45684294664598118867184 |
40 | 169098457957523787786644 |
[8,52,288,1424,6648,29700,128800,545600,2269672, 9303140,37672216,150998016,599988696,2366216164, 9270987656,36116062832,139978757920,540069059028, 2075217121688,7944690769952,30313624200640, 115312027433188,437420730644304,1655047867097280, 6247339311097296,23530440547115428, 88447214709073696,331832490378209152, 1242766581420901656,4646714574562484628, 17347357264162110368,64668460220964604944, 240747014238189337840,895102104022837748484, 3323982608759454833032,12329573838525875316560, 45684294664598118867184,169098457957523787786644] |