n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 10 |
4 | 37 |
5 | 91 |
6 | 334 |
7 | 1366 |
8 | 4645 |
9 | 15967 |
10 | 59951 |
11 | 220782 |
12 | 792946 |
13 | 2906554 |
14 | 10770082 |
15 | 39629440 |
16 | 145966549 |
17 | 540943231 |
18 | 2006762563 |
19 | 7443051014 |
20 | 27661527427 |
21 | 102980882455 |
22 | 383639407570 |
23 | 1430429881122 |
24 | 5339465251426 |
25 | 19947662875216 |
26 | 74573064834646 |
[1,1,1,10,37,91,334,1366,4645,15967,59951,220782, 792946,2906554,10770082,39629440,145966549, 540943231,2006762563,7443051014,27661527427, 102980882455,383639407570,1430429881122, 5339465251426,19947662875216,74573064834646] |