n | a(n) |
---|---|
1 | 4 |
2 | 7 |
3 | 15 |
4 | 34 |
5 | 79 |
6 | 184 |
7 | 426 |
8 | 984 |
9 | 2274 |
10 | 5258 |
11 | 12159 |
12 | 28117 |
13 | 65018 |
14 | 150347 |
15 | 347661 |
16 | 803931 |
17 | 1859013 |
18 | 4298789 |
19 | 9940535 |
20 | 22986529 |
21 | 53154136 |
22 | 122913828 |
23 | 284226412 |
24 | 657246261 |
25 | 1519818815 |
26 | 3514434954 |
27 | 8126793100 |
28 | 18792428087 |
29 | 43455684079 |
[4,7,15,34,79,184,426,984,2274,5258,12159,28117, 65018,150347,347661,803931,1859013,4298789, 9940535,22986529,53154136,122913828,284226412, 657246261,1519818815,3514434954,8126793100, 18792428087,43455684079] |