n | a(n) |
---|---|
1 | 4 |
2 | 21 |
3 | 24 |
4 | 54 |
5 | 108 |
6 | 236 |
7 | 509 |
8 | 1091 |
9 | 2363 |
10 | 5109 |
11 | 11034 |
12 | 23867 |
13 | 51606 |
14 | 111571 |
15 | 241263 |
16 | 521680 |
17 | 1128006 |
18 | 2439107 |
19 | 5274072 |
20 | 11404090 |
21 | 24659080 |
22 | 53320283 |
23 | 115294335 |
24 | 249300825 |
25 | 539062799 |
26 | 1165614674 |
27 | 2520407019 |
28 | 5449872468 |
29 | 11784251403 |
[4,21,24,54,108,236,509,1091,2363,5109,11034, 23867,51606,111571,241263,521680,1128006,2439107, 5274072,11404090,24659080,53320283,115294335, 249300825,539062799,1165614674,2520407019, 5449872468,11784251403] |