n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 15 |
5 | 44 |
6 | 169 |
7 | 652 |
8 | 3106 |
9 | 15286 |
10 | 89933 |
11 | 532476 |
12 | 3698650 |
13 | 25749335 |
14 | 204947216 |
15 | 1636097441 |
16 | 14693641859 |
17 | 132055603656 |
18 | 1319433514898 |
19 | 13186485900967 |
20 | 144978145009105 |
21 | 1594375302986404 |
22 | 19128405558986057 |
23 | 229508085926717076 |
24 | 2983342885319348522 |
[1,1,2,5,15,44,169,652,3106,15286,89933,532476, 3698650,25749335,204947216,1636097441,14693641859, 132055603656,1319433514898,13186485900967, 144978145009105,1594375302986404, 19128405558986057,229508085926717076, 2983342885319348522] |