n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 6 |
6 | 21 |
7 | 112 |
8 | 853 |
9 | 11117 |
10 | 261080 |
11 | 11716571 |
12 | 1006700565 |
13 | 164159 |
14 | 422662 |
15 | 1295037 |
16 | 4272969 |
17 | 12780650 |
18 | 23303620 |
19 | 64379033 |
20 | 189490870 |
21 | 556338383 |
22 | 1448500351 |
23 | 2871171041 |
24 | 7624849834 |
25 | 20914847051 |
26 | 55714746424 |
27 | 133364472272 |
28 | 277569288280 |
29 | 708402263349 |
30 | 1827946074290 |
31 | 4530654263579 |
32 | 10312511072061 |
33 | 22005420425661 |
34 | 54057174050076 |
35 | 132409684714581 |
[1,1,1,2,6,21,112,853,11117,261080,11716571, 1006700565,164159,422662,1295037,4272969,12780650, 23303620,64379033,189490870,556338383,1448500351, 2871171041,7624849834,20914847051,55714746424, 133364472272,277569288280,708402263349, 1827946074290,4530654263579,10312511072061, 22005420425661,54057174050076,132409684714581] |