n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 19 |
4 | 66 |
5 | 243 |
6 | 929 |
7 | 3676 |
8 | 14808 |
9 | 60805 |
10 | 252986 |
11 | 1065589 |
12 | 4536809 |
13 | 19477581 |
14 | 84303710 |
15 | 367160122 |
16 | 1608825471 |
17 | 7085704233 |
18 | 31353847815 |
19 | 139335954645 |
20 | 621512821655 |
21 | 2782177030111 |
22 | 12492835133199 |
23 | 56262640514675 |
24 | 254057915721103 |
25 | 1150053975016142 |
26 | 5218025470526626 |
27 | 23725098445219734 |
[1,2,6,19,66,243,929,3676,14808,60805,252986, 1065589,4536809,19477581,84303710,367160122, 1608825471,7085704233,31353847815,139335954645, 621512821655,2782177030111,12492835133199, 56262640514675,254057915721103,1150053975016142, 5218025470526626,23725098445219734] |