n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 7 |
5 | 15 |
6 | 25 |
7 | 37 |
8 | 100 |
9 | 229 |
10 | 454 |
11 | 811 |
12 | 1732 |
13 | 3777 |
14 | 7858 |
15 | 15339 |
16 | 31273 |
17 | 65536 |
18 | 136600 |
19 | 276535 |
20 | 562728 |
21 | 1159942 |
22 | 2400783 |
23 | 4918159 |
24 | 10052140 |
25 | 20627526 |
26 | 42480474 |
27 | 87254743 |
28 | 178855138 |
29 | 366854368 |
[1,1,1,1,7,15,25,37,100,229,454,811,1732,3777, 7858,15339,31273,65536,136600,276535,562728, 1159942,2400783,4918159,10052140,20627526, 42480474,87254743,178855138,366854368] |