n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 10 |
4 | 34 |
5 | 101 |
6 | 331 |
7 | 1044 |
8 | 3406 |
9 | 11008 |
10 | 36039 |
11 | 117866 |
12 | 387709 |
13 | 1276783 |
14 | 4217763 |
15 | 13954040 |
16 | 46258390 |
17 | 153562565 |
18 | 510523621 |
19 | 1699272620 |
20 | 5662498639 |
21 | 18888082230 |
22 | 63062936820 |
23 | 210730527620 |
24 | 704727803329 |
25 | 2358457291626 |
26 | 7898146040191 |
[1,4,10,34,101,331,1044,3406,11008,36039,117866, 387709,1276783,4217763,13954040,46258390, 153562565,510523621,1699272620,5662498639, 18888082230,63062936820,210730527620,704727803329, 2358457291626,7898146040191] |