n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 27 |
4 | 244 |
5 | 2745 |
6 | 36966 |
7 | 580111 |
8 | 10399096 |
9 | 209672721 |
10 | 4696872490 |
11 | 115732052271 |
12 | 3110867569140 |
13 | 90587751885241 |
14 | 2840805169411678 |
15 | 95450112571474095 |
16 | 3420897993621996016 |
17 | 130266500391456691233 |
18 | 5252293203395848789842 |
19 | 223535386151669737094095 |
20 | 10014286301754519472897900 |
[1,1,4,27,244,2745,36966,580111,10399096, 209672721,4696872490,115732052271,3110867569140, 90587751885241,2840805169411678,95450112571474095, 3420897993621996016,130266500391456691233, 5252293203395848789842,223535386151669737094095, 10014286301754519472897900] |