n | a(n) |
---|---|
1 | 7 |
2 | 23 |
3 | 134 |
4 | 813 |
5 | 4578 |
6 | 22659 |
7 | 98821 |
8 | 388681 |
9 | 1403516 |
10 | 4714206 |
11 | 14875044 |
12 | 44432556 |
13 | 126415358 |
14 | 344289685 |
15 | 901306978 |
16 | 2275929413 |
17 | 5559947847 |
18 | 13174033412 |
19 | 30343762095 |
20 | 68072517741 |
21 | 148997133853 |
22 | 318682656840 |
23 | 666983823620 |
[7,23,134,813,4578,22659,98821,388681,1403516, 4714206,14875044,44432556,126415358,344289685, 901306978,2275929413,5559947847,13174033412, 30343762095,68072517741,148997133853,318682656840, 666983823620] |