n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 26 |
3 | 141 |
4 | 799 |
5 | 4736 |
6 | 29371 |
7 | 190497 |
8 | 1291020 |
9 | 9131275 |
10 | 67310847 |
11 | 516369838 |
12 | 4116416797 |
13 | 34051164985 |
14 | 291871399682 |
15 | 2588914083065 |
16 | 23733360653955 |
17 | 224592570163192 |
18 | 2191466128865567 |
19 | 22024934452712437 |
20 | 227771488390279260 |
[1,5,26,141,799,4736,29371,190497,1291020,9131275, 67310847,516369838,4116416797,34051164985, 291871399682,2588914083065,23733360653955, 224592570163192,2191466128865567, 22024934452712437,227771488390279260] |