n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 22 |
6 | 59 |
7 | 149 |
8 | 396 |
9 | 1041 |
10 | 2907 |
11 | 7760 |
12 | 21816 |
13 | 60298 |
14 | 169741 |
15 | 475054 |
16 | 1359128 |
17 | 3816950 |
18 | 10972685 |
19 | 31304334 |
20 | 89879700 |
21 | 257711500 |
22 | 747124581 |
23 | 2144777317 |
24 | 6229523512 |
25 | 18035524556 |
26 | 52361269786 |
27 | 152014079572 |
28 | 443837403206 |
29 | 1288731108002 |
30 | 3768163857728 |
31 | 11001149176426 |
32 | 32145852887328 |
[1,1,2,4,10,22,59,149,396,1041,2907,7760,21816, 60298,169741,475054,1359128,3816950,10972685, 31304334,89879700,257711500,747124581,2144777317, 6229523512,18035524556,52361269786,152014079572, 443837403206,1288731108002,3768163857728, 11001149176426,32145852887328] |