n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 19 |
3 | 66 |
4 | 221 |
5 | 728 |
6 | 2380 |
7 | 7753 |
8 | 25213 |
9 | 81927 |
10 | 266110 |
11 | 864201 |
12 | 2806272 |
13 | 9112264 |
14 | 29587889 |
15 | 96072133 |
16 | 311945595 |
17 | 1012883066 |
18 | 3288813893 |
19 | 10678716664 |
20 | 34673583028 |
21 | 112584429049 |
22 | 365559363741 |
23 | 1186963827439 |
24 | 3854047383798 |
25 | 12514013318097 |
26 | 40632746115136 |
[1,5,19,66,221,728,2380,7753,25213,81927,266110, 864201,2806272,9112264,29587889,96072133, 311945595,1012883066,3288813893,10678716664, 34673583028,112584429049,365559363741, 1186963827439,3854047383798,12514013318097, 40632746115136] |