n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 9 |
5 | 21 |
6 | 56 |
7 | 169 |
8 | 482 |
9 | 1505 |
10 | 4655 |
11 | 14419 |
12 | 46683 |
13 | 153632 |
14 | 522567 |
15 | 1760914 |
16 | 6050077 |
17 | 20830801 |
18 | 72215812 |
19 | 256321026 |
20 | 908687720 |
21 | 3272602542 |
22 | 11754785559 |
23 | 42458425816 |
24 | 154767487534 |
25 | 565357807589 |
26 | 2092065007291 |
27 | 7725542715670 |
28 | 28717905731799 |
29 | 106970060346082 |
30 | 399403757982693 |
31 | 1504067532147492 |
[1,1,2,4,9,21,56,169,482,1505,4655,14419,46683, 153632,522567,1760914,6050077,20830801,72215812, 256321026,908687720,3272602542,11754785559, 42458425816,154767487534,565357807589, 2092065007291,7725542715670,28717905731799, 106970060346082,399403757982693,1504067532147492] |