n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 9 |
5 | 24 |
6 | 77 |
7 | 299 |
8 | 1419 |
9 | 8312 |
10 | 60452 |
11 | 547939 |
12 | 6213566 |
13 | 88468601 |
14 | 1585646789 |
15 | 35846274127 |
16 | 1023893974778 |
17 | 37005881297226 |
18 | 1694206791508891 |
19 | 98335493373334998 |
20 | 7241161595237290969 |
21 | 676871453643079089963 |
22 | 80351261743964014059133 |
23 | 12117563014768206457325416 |
[1,1,2,4,9,24,77,299,1419,8312,60452,547939, 6213566,88468601,1585646789,35846274127, 1023893974778,37005881297226,1694206791508891, 98335493373334998,7241161595237290969, 676871453643079089963,80351261743964014059133, 12117563014768206457325416] |