n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 6 |
4 | 14 |
5 | 23 |
6 | 45 |
7 | 72 |
8 | 126 |
9 | 195 |
10 | 315 |
11 | 472 |
12 | 720 |
13 | 1042 |
14 | 1520 |
15 | 2132 |
16 | 2995 |
17 | 4089 |
18 | 5568 |
19 | 7418 |
20 | 9843 |
21 | 12833 |
22 | 16652 |
23 | 21304 |
24 | 27117 |
25 | 34114 |
26 | 42705 |
27 | 52930 |
28 | 65294 |
29 | 79867 |
30 | 97253 |
31 | 117562 |
32 | 141516 |
33 | 169265 |
34 | 201665 |
35 | 238922 |
36 | 282030 |
37 | 331264 |
38 | 387780 |
39 | 451920 |
40 | 525023 |
41 | 607517 |
[1,1,4,6,14,23,45,72,126,195,315,472,720,1042, 1520,2132,2995,4089,5568,7418,9843,12833,16652, 21304,27117,34114,42705,52930,65294,79867,97253, 117562,141516,169265,201665,238922,282030,331264, 387780,451920,525023,607517] |