n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 10 |
4 | 63 |
5 | 199 |
6 | 461 |
7 | 660 |
8 | 38741 |
9 | 39401 |
10 | 117543 |
11 | 392030 |
12 | 2469723 |
13 | 7801199 |
14 | 18072121 |
15 | 25873320 |
16 | 1518724681 |
17 | 1544598001 |
18 | 4607920683 |
19 | 15368360050 |
20 | 96818080983 |
21 | 305822602999 |
22 | 708463286981 |
23 | 1014285889980 |
24 | 59537044905821 |
25 | 60551330795801 |
[1,1,3,10,63,199,461,660,38741,39401,117543, 392030,2469723,7801199,18072121,25873320, 1518724681,1544598001,4607920683,15368360050, 96818080983,305822602999,708463286981, 1014285889980,59537044905821,60551330795801] |