n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 9 |
4 | 53 |
5 | 386 |
6 | 3422 |
7 | 35300 |
8 | 412084 |
9 | 5364255 |
10 | 76952267 |
11 | 1203835714 |
12 | 20362911276 |
13 | 369906504888 |
14 | 7175947738672 |
15 | 147944905766929 |
16 | 3227970924123268 |
17 | 74264452788294013 |
18 | 1795825803391367571 |
19 | 45514495928632484735 |
20 | 1205981001167335524448 |
21 | 33331235326744168532151 |
[1,1,2,9,53,386,3422,35300,412084,5364255, 76952267,1203835714,20362911276,369906504888, 7175947738672,147944905766929,3227970924123268, 74264452788294013,1795825803391367571, 45514495928632484735,1205981001167335524448, 33331235326744168532151] |