n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 5 |
3 | 22 |
4 | 94 |
5 | 399 |
6 | 1691 |
7 | 7164 |
8 | 30348 |
9 | 128557 |
10 | 544577 |
11 | 2306866 |
12 | 9772042 |
13 | 41395035 |
14 | 175352183 |
15 | 742803768 |
16 | 3146567256 |
17 | 13329072793 |
18 | 56462858429 |
19 | 239180506510 |
20 | 1013184884470 |
21 | 4291920044391 |
22 | 18180865062035 |
23 | 77015380292532 |
24 | 326242386232164 |
25 | 1381984925221189 |
26 | 5854182087116921 |
[0,1,5,22,94,399,1691,7164,30348,128557,544577, 2306866,9772042,41395035,175352183,742803768, 3146567256,13329072793,56462858429,239180506510, 1013184884470,4291920044391,18180865062035, 77015380292532,326242386232164,1381984925221189, 5854182087116921] |