n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 28 |
4 | 277 |
5 | 3985 |
6 | 76117 |
7 | 1833187 |
8 | 53756682 |
9 | 1871041538 |
10 | 75809298105 |
11 | 3521419837339 |
12 | 185235838688677 |
13 | 10923147890901151 |
14 | 715989783027216302 |
15 | 51793686238309903860 |
16 | 4109310551278549543317 |
17 | 355667047514571431358297 |
18 | 33422937748872646130124797 |
[1,2,5,28,277,3985,76117,1833187,53756682, 1871041538,75809298105,3521419837339, 185235838688677,10923147890901151, 715989783027216302,51793686238309903860, 4109310551278549543317,355667047514571431358297, 33422937748872646130124797] |