n | a(n) |
---|---|
1 | 1 |
2 | 8 |
3 | 21 |
4 | 84 |
5 | 206 |
6 | 717 |
7 | 1810 |
8 | 5462 |
9 | 13859 |
10 | 38497 |
11 | 96113 |
12 | 253206 |
13 | 620480 |
14 | 1566292 |
15 | 3770933 |
16 | 9212041 |
17 | 21768608 |
18 | 51795427 |
19 | 120279052 |
20 | 279849177 |
21 | 639379257 |
22 | 1459282932 |
23 | 3283758256 |
24 | 7369471795 |
25 | 16351101855 |
26 | 36147590987 |
27 | 79162129897 |
28 | 172646751524 |
29 | 373527250619 |
30 | 804631686843 |
31 | 1721283389932 |
32 | 3666041417241 |
[1,8,21,84,206,717,1810,5462,13859,38497,96113, 253206,620480,1566292,3770933,9212041,21768608, 51795427,120279052,279849177,639379257,1459282932, 3283758256,7369471795,16351101855,36147590987, 79162129897,172646751524,373527250619, 804631686843,1721283389932,3666041417241] |