n | a(n) |
---|---|
4 | 1 |
5 | 2 |
6 | 10 |
7 | 32 |
8 | 173 |
9 | 864 |
10 | 5876 |
11 | 42654 |
12 | 369352 |
13 | 3490396 |
14 | 37205377 |
15 | 431835570 |
16 | 5488938513 |
17 | 75253166882 |
18 | 1111054042385 |
19 | 17529435042906 |
20 | 294620759901439 |
21 | 5250432711385802 |
22 | 98912760811106081 |
23 | 1963457208200874954 |
24 | 40962100714228585825 |
25 | 895889161265034629994 |
26 | 20497593840242211891900 |
[1,2,10,32,173,864,5876,42654,369352,3490396, 37205377,431835570,5488938513,75253166882, 1111054042385,17529435042906,294620759901439, 5250432711385802,98912760811106081, 1963457208200874954,40962100714228585825, 895889161265034629994,20497593840242211891900] |