n | a(n) |
---|---|
1 | 4 |
2 | 25 |
3 | 168 |
4 | 1226 |
5 | 9585 |
6 | 78521 |
7 | 664652 |
8 | 5761512 |
9 | 50847348 |
10 | 455050385 |
11 | 4118051652 |
12 | 37607908133 |
13 | 346065524108 |
14 | 3204941711340 |
15 | 29844570436484 |
16 | 279238341185832 |
17 | 2623557156537070 |
18 | 24739954282695698 |
19 | 234057667295619287 |
20 | 2220819602542218793 |
[4,25,168,1226,9585,78521,664652,5761512,50847348, 455050385,4118051652,37607908133,346065524108, 3204941711340,29844570436484,279238341185832, 2623557156537070,24739954282695698, 234057667295619287,2220819602542218793] |