n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 18 |
4 | 32 |
5 | 160 |
6 | 324 |
7 | 1456 |
8 | 2048 |
9 | 13122 |
10 | 25600 |
11 | 117128 |
12 | 209952 |
13 | 913952 |
14 | 2119936 |
15 | 9447840 |
16 | 13107200 |
17 | 86093440 |
18 | 172186884 |
19 | 774840976 |
20 | 1310720000 |
21 | 6964002864 |
22 | 13718968384 |
23 | 62761410632 |
24 | 88159684608 |
25 | 557885504000 |
26 | 835308258304 |
27 | 5083731656658 |
28 | 8988257288192 |
29 | 45753584909920 |
30 | 89261680665600 |
31 | 411782264189296 |
32 | 564050001920000 |
[1,4,18,32,160,324,1456,2048,13122,25600,117128, 209952,913952,2119936,9447840,13107200,86093440, 172186884,774840976,1310720000,6964002864, 13718968384,62761410632,88159684608,557885504000, 835308258304,5083731656658,8988257288192, 45753584909920,89261680665600,411782264189296, 564050001920000] |