n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 3 |
4 | 5 |
5 | 39 |
6 | 206 |
7 | 697 |
8 | 1656 |
9 | 3208 |
10 | 8727 |
11 | 41667 |
12 | 192142 |
13 | 688944 |
14 | 1965643 |
15 | 5117374 |
16 | 15888133 |
17 | 63924038 |
18 | 263759291 |
19 | 955198539 |
20 | 3017571957 |
21 | 9101208987 |
22 | 30075674452 |
23 | 113177783141 |
24 | 437460265979 |
25 | 1583161667787 |
26 | 5299622270275 |
27 | 17294182815347 |
28 | 59169678008804 |
[1,2,3,3,5,39,206,697,1656,3208,8727,41667,192142, 688944,1965643,5117374,15888133,63924038, 263759291,955198539,3017571957,9101208987, 30075674452,113177783141,437460265979, 1583161667787,5299622270275,17294182815347, 59169678008804] |