n | a(n) |
---|---|
0 | 4 |
1 | 15 |
2 | 40 |
3 | 93 |
4 | 202 |
5 | 423 |
6 | 868 |
7 | 1761 |
8 | 3550 |
9 | 7131 |
10 | 14296 |
11 | 28629 |
12 | 57298 |
13 | 114639 |
14 | 229324 |
15 | 458697 |
16 | 917446 |
17 | 1834947 |
18 | 3669952 |
19 | 7339965 |
20 | 14679994 |
21 | 29360055 |
22 | 58720180 |
23 | 117440433 |
24 | 234880942 |
25 | 469761963 |
26 | 939524008 |
27 | 1879048101 |
28 | 3758096290 |
29 | 7516192671 |
30 | 15032385436 |
[4,15,40,93,202,423,868,1761,3550,7131,14296, 28629,57298,114639,229324,458697,917446,1834947, 3669952,7339965,14679994,29360055,58720180, 117440433,234880942,469761963,939524008, 1879048101,3758096290,7516192671,15032385436] |