n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 13 |
5 | 30 |
6 | 69 |
7 | 156 |
8 | 348 |
9 | 769 |
10 | 1682 |
11 | 3653 |
12 | 7884 |
13 | 16924 |
14 | 36160 |
15 | 76944 |
16 | 163137 |
17 | 344770 |
18 | 726533 |
19 | 1527052 |
20 | 3202076 |
21 | 6700096 |
22 | 13992080 |
23 | 29167936 |
24 | 60703424 |
25 | 126141953 |
26 | 261754114 |
27 | 542448645 |
28 | 1122778124 |
29 | 2321317916 |
30 | 4794159168 |
31 | 9891365008 |
32 | 20388823360 |
[0,1,2,5,13,30,69,156,348,769,1682,3653,7884, 16924,36160,76944,163137,344770,726533,1527052, 3202076,6700096,13992080,29167936,60703424, 126141953,261754114,542448645,1122778124, 2321317916,4794159168,9891365008,20388823360] |