n | a(n) |
---|---|
4 | 1 |
5 | 13 |
6 | 112 |
7 | 843 |
8 | 6089 |
9 | 43887 |
10 | 321357 |
11 | 2411686 |
12 | 18631631 |
13 | 148490575 |
14 | 1221894598 |
15 | 10382648734 |
16 | 91073271181 |
17 | 824221683639 |
18 | 7690752545310 |
19 | 73932347642395 |
20 | 731636916804531 |
21 | 7447376286108705 |
22 | 77913394499688645 |
23 | 837113596053971008 |
24 | 9229808681562243113 |
[1,13,112,843,6089,43887,321357,2411686,18631631, 148490575,1221894598,10382648734,91073271181, 824221683639,7690752545310,73932347642395, 731636916804531,7447376286108705, 77913394499688645,837113596053971008, 9229808681562243113] |