n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 17 |
6 | 82 |
7 | 258 |
8 | 818 |
9 | 5671 |
10 | 43363 |
11 | 240520 |
12 | 1183168 |
13 | 8547054 |
14 | 77831681 |
15 | 596258173 |
16 | 4031934111 |
17 | 33313129161 |
18 | 338733239446 |
19 | 3187239159511 |
20 | 27197807726066 |
21 | 260179611473044 |
22 | 2918973182685904 |
23 | 31820249821418229 |
24 | 324099587971865989 |
[1,1,1,1,2,17,82,258,818,5671,43363,240520, 1183168,8547054,77831681,596258173,4031934111, 33313129161,338733239446,3187239159511, 27197807726066,260179611473044,2918973182685904, 31820249821418229,324099587971865989] |