n | a(n) |
---|---|
0 | 4 |
1 | 9 |
2 | 20 |
3 | 44 |
4 | 97 |
5 | 214 |
6 | 472 |
7 | 1041 |
8 | 2296 |
9 | 5064 |
10 | 11169 |
11 | 24634 |
12 | 54332 |
13 | 119833 |
14 | 264300 |
15 | 582932 |
16 | 1285697 |
17 | 2835694 |
18 | 6254320 |
19 | 13794337 |
20 | 30424368 |
21 | 67103056 |
22 | 148000449 |
23 | 326425266 |
24 | 719953588 |
25 | 1587907625 |
26 | 3502240516 |
27 | 7724434620 |
28 | 17036776865 |
29 | 37575794246 |
30 | 82876023112 |
[4,9,20,44,97,214,472,1041,2296,5064,11169,24634, 54332,119833,264300,582932,1285697,2835694, 6254320,13794337,30424368,67103056,148000449, 326425266,719953588,1587907625,3502240516, 7724434620,17036776865,37575794246,82876023112] |