n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 8 |
5 | 17 |
6 | 38 |
7 | 88 |
8 | 210 |
9 | 514 |
10 | 1285 |
11 | 3270 |
12 | 8447 |
13 | 22100 |
14 | 58455 |
15 | 156077 |
16 | 420153 |
17 | 1139155 |
18 | 3108095 |
19 | 8527675 |
20 | 23514124 |
21 | 65127571 |
22 | 181111940 |
23 | 505487115 |
24 | 1415502195 |
25 | 3975790024 |
26 | 11197966459 |
27 | 31619946886 |
28 | 89496047586 |
29 | 253858251337 |
30 | 721531869889 |
31 | 2054639741185 |
[1,1,2,4,8,17,38,88,210,514,1285,3270,8447,22100, 58455,156077,420153,1139155,3108095,8527675, 23514124,65127571,181111940,505487115,1415502195, 3975790024,11197966459,31619946886,89496047586, 253858251337,721531869889,2054639741185] |