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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 10 |
| 5 | 48 |
| 6 | 814 |
| 7 | 35048 |
| 8 | 4749917 |
| 9 | 1991695464 |
| 10 | 2744917591408 |
| 11 | 12259363447566918 |
| 12 | 187472413992607944600 |
| 13 | 9519583446974164009046934 |
| 14 | 1702816871202402787766029201942 |
| 15 | 1029212386646920125804443494952269006 |
| 16 | 2240000312861150532290111516186650669871299 |
[1,2,3,4,10,48,814,35048,4749917,1991695464, 2744917591408,12259363447566918, 187472413992607944600,9519583446974164009046934, 1702816871202402787766029201942, 1029212386646920125804443494952269006, 2240000312861150532290111516186650669871299] |