n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 13 |
3 | 92 |
4 | 430 |
5 | 1505 |
6 | 4291 |
7 | 10528 |
8 | 23052 |
9 | 46185 |
10 | 86185 |
11 | 151756 |
12 | 254618 |
13 | 410137 |
14 | 638015 |
15 | 963040 |
16 | 1415896 |
17 | 2034033 |
18 | 2862597 |
19 | 3955420 |
20 | 5376070 |
21 | 7198961 |
22 | 9510523 |
23 | 12410432 |
24 | 16012900 |
25 | 20448025 |
26 | 25863201 |
[0,1,13,92,430,1505,4291,10528,23052,46185,86185, 151756,254618,410137,638015,963040,1415896, 2034033,2862597,3955420,5376070,7198961,9510523, 12410432,16012900,20448025,25863201] |