n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 9 |
4 | 24 |
5 | 77 |
6 | 294 |
7 | 1296 |
8 | 6403 |
9 | 34644 |
10 | 201932 |
11 | 1253513 |
12 | 8219110 |
13 | 56578239 |
14 | 406990651 |
15 | 3048202700 |
16 | 23700070773 |
17 | 190830842843 |
18 | 1588016365186 |
19 | 13633603416558 |
20 | 120574656241999 |
21 | 1097006289005674 |
22 | 10255338612462641 |
23 | 98403208150304070 |
24 | 968186766428157206 |
25 | 9759036265967791137 |
26 | 100690787844977985900 |
27 | 1062601625749170026894 |
28 | 11461320511629994319890 |
[1,2,4,9,24,77,294,1296,6403,34644,201932,1253513, 8219110,56578239,406990651,3048202700,23700070773, 190830842843,1588016365186,13633603416558, 120574656241999,1097006289005674, 10255338612462641,98403208150304070, 968186766428157206,9759036265967791137, 100690787844977985900,1062601625749170026894, 11461320511629994319890] |