n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 12 |
5 | 50 |
6 | 228 |
7 | 1093 |
8 | 5439 |
9 | 27816 |
10 | 145310 |
11 | 772109 |
12 | 4159998 |
13 | 22674120 |
14 | 124800022 |
15 | 692686326 |
16 | 3872659052 |
17 | 21788990982 |
18 | 123280580325 |
19 | 700988359296 |
20 | 4003661444545 |
21 | 22958337467658 |
22 | 132127737109116 |
23 | 762912391705495 |
24 | 4418326909800903 |
25 | 25658693934333564 |
26 | 149385658937180542 |
27 | 871758439355580702 |
28 | 5098248338356022913 |
29 | 29875567243598952092 |
30 | 175396705518901173813 |
31 | 1031531740231929729207 |
[1,1,3,12,50,228,1093,5439,27816,145310,772109, 4159998,22674120,124800022,692686326,3872659052, 21788990982,123280580325,700988359296, 4003661444545,22958337467658,132127737109116, 762912391705495,4418326909800903, 25658693934333564,149385658937180542, 871758439355580702,5098248338356022913, 29875567243598952092,175396705518901173813, 1031531740231929729207] |