n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 24 |
3 | 80 |
4 | 234 |
5 | 624 |
6 | 1552 |
7 | 3648 |
8 | 8184 |
9 | 17654 |
10 | 36816 |
11 | 74544 |
12 | 147056 |
13 | 283440 |
14 | 535008 |
15 | 990912 |
16 | 1803882 |
17 | 3232224 |
18 | 5707624 |
19 | 9943536 |
20 | 17106960 |
21 | 29088352 |
22 | 48922320 |
23 | 81438528 |
24 | 134261584 |
25 | 219336630 |
26 | 355242288 |
27 | 570675904 |
28 | 909674688 |
29 | 1439394192 |
30 | 2261635168 |
31 | 3529838208 |
[1,6,24,80,234,624,1552,3648,8184,17654,36816, 74544,147056,283440,535008,990912,1803882,3232224, 5707624,9943536,17106960,29088352,48922320, 81438528,134261584,219336630,355242288,570675904, 909674688,1439394192,2261635168,3529838208] |