n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 2 |
4 | 1 |
5 | 3 |
6 | 7 |
7 | 31 |
8 | 69 |
9 | 31 |
10 | 100 |
11 | 231 |
12 | 562 |
13 | 3041 |
14 | 12726 |
15 | 28493 |
16 | 12726 |
17 | 41219 |
18 | 95164 |
19 | 612203 |
20 | 1319570 |
21 | 8529623 |
22 | 52497308 |
23 | 218518855 |
24 | 489535018 |
25 | 218518855 |
26 | 708053873 |
27 | 1634626601 |
28 | 7246560277 |
29 | 37867427986 |
30 | 82981416249 |
31 | 701718757978 |
[0,1,2,1,3,7,31,69,31,100,231,562,3041,12726, 28493,12726,41219,95164,612203,1319570,8529623, 52497308,218518855,489535018,218518855,708053873, 1634626601,7246560277,37867427986,82981416249, 701718757978] |