n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 44 |
3 | 208 |
4 | 854 |
5 | 3200 |
6 | 11176 |
7 | 36752 |
8 | 115089 |
9 | 345600 |
10 | 1000484 |
11 | 2804544 |
12 | 7639718 |
13 | 20280672 |
14 | 52593032 |
15 | 133509840 |
16 | 332340788 |
17 | 812455304 |
18 | 1953140484 |
19 | 4622589504 |
20 | 10782030284 |
21 | 24807035200 |
22 | 56345836888 |
23 | 126438750160 |
24 | 280490520517 |
25 | 615512622608 |
26 | 1336825948592 |
27 | 2875079590304 |
[1,8,44,208,854,3200,11176,36752,115089,345600, 1000484,2804544,7639718,20280672,52593032, 133509840,332340788,812455304,1953140484, 4622589504,10782030284,24807035200,56345836888, 126438750160,280490520517,615512622608, 1336825948592,2875079590304] |