n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 23 |
4 | 162 |
5 | 1292 |
6 | 11214 |
7 | 103497 |
8 | 1000810 |
9 | 10039100 |
10 | 103725188 |
11 | 1098151276 |
12 | 11866435816 |
13 | 130477138014 |
14 | 1456320910090 |
15 | 16468167354971 |
16 | 188369396046810 |
17 | 2176619115192140 |
18 | 25379588118629856 |
19 | 298341351434460488 |
20 | 3532848638781046852 |
21 | 42113699799069958732 |
[1,1,4,23,162,1292,11214,103497,1000810,10039100, 103725188,1098151276,11866435816,130477138014, 1456320910090,16468167354971,188369396046810, 2176619115192140,25379588118629856, 298341351434460488,3532848638781046852, 42113699799069958732] |