n | a(n) |
---|---|
1 | 2 |
2 | 17 |
3 | 80 |
4 | 412 |
5 | 1558 |
6 | 5096 |
7 | 14826 |
8 | 39630 |
9 | 97184 |
10 | 223612 |
11 | 482160 |
12 | 991120 |
13 | 1946560 |
14 | 3679402 |
15 | 6713958 |
16 | 11870167 |
17 | 20399452 |
18 | 34184289 |
19 | 55959254 |
20 | 89708318 |
21 | 140988720 |
22 | 217682282 |
23 | 330552474 |
24 | 494354268 |
25 | 728865852 |
26 | 1060428048 |
27 | 1523781598 |
[2,17,80,412,1558,5096,14826,39630,97184,223612, 482160,991120,1946560,3679402,6713958,11870167, 20399452,34184289,55959254,89708318,140988720, 217682282,330552474,494354268,728865852, 1060428048,1523781598] |