n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 20 |
3 | 54 |
4 | 116 |
5 | 226 |
6 | 414 |
7 | 730 |
8 | 1254 |
9 | 2116 |
10 | 3526 |
11 | 5824 |
12 | 9560 |
13 | 15624 |
14 | 25456 |
15 | 41386 |
16 | 67184 |
17 | 108969 |
18 | 176615 |
19 | 286090 |
20 | 463257 |
21 | 749947 |
22 | 1213854 |
23 | 1964503 |
24 | 3179113 |
25 | 5144428 |
26 | 8324411 |
27 | 13469769 |
28 | 21795172 |
29 | 35265997 |
30 | 57062291 |
31 | 92329478 |
32 | 149393029 |
33 | 241723839 |
34 | 391118274 |
[1,4,20,54,116,226,414,730,1254,2116,3526,5824, 9560,15624,25456,41386,67184,108969,176615,286090, 463257,749947,1213854,1964503,3179113,5144428, 8324411,13469769,21795172,35265997,57062291, 92329478,149393029,241723839,391118274] |