n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 6 |
3 | 24 |
4 | 70 |
5 | 165 |
6 | 336 |
7 | 616 |
8 | 1044 |
9 | 1665 |
10 | 2530 |
11 | 3696 |
12 | 5226 |
13 | 7189 |
14 | 9660 |
15 | 12720 |
16 | 16456 |
17 | 20961 |
18 | 26334 |
19 | 32680 |
20 | 40110 |
21 | 48741 |
22 | 58696 |
23 | 70104 |
24 | 83100 |
25 | 97825 |
26 | 114426 |
27 | 133056 |
28 | 153874 |
29 | 177045 |
30 | 202740 |
31 | 231136 |
32 | 262416 |
33 | 296769 |
34 | 334390 |
35 | 375480 |
36 | 420246 |
37 | 468901 |
38 | 521664 |
39 | 578760 |
[0,1,6,24,70,165,336,616,1044,1665,2530,3696,5226, 7189,9660,12720,16456,20961,26334,32680,40110, 48741,58696,70104,83100,97825,114426,133056, 153874,177045,202740,231136,262416,296769,334390, 375480,420246,468901,521664,578760] |