n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 4 |
4 | 8 |
5 | 36 |
6 | 52 |
7 | 100 |
8 | 356 |
9 | 628 |
10 | 1220 |
11 | 3668 |
12 | 7268 |
13 | 14516 |
14 | 38980 |
15 | 82452 |
16 | 169508 |
17 | 423284 |
18 | 926980 |
19 | 1953236 |
20 | 4661476 |
21 | 10384180 |
22 | 22302148 |
23 | 51781012 |
24 | 116208548 |
25 | 253089012 |
26 | 578128516 |
27 | 1300672852 |
28 | 2860550756 |
29 | 6473222836 |
30 | 14566091588 |
[1,4,4,8,36,52,100,356,628,1220,3668,7268,14516, 38980,82452,169508,423284,926980,1953236,4661476, 10384180,22302148,51781012,116208548,253089012, 578128516,1300672852,2860550756,6473222836, 14566091588] |