n | a(n) |
---|---|
2 | 0 |
3 | 6 |
4 | 22 |
5 | 75 |
6 | 204 |
7 | 460 |
8 | 906 |
9 | 1617 |
10 | 2680 |
11 | 4194 |
12 | 6270 |
13 | 9031 |
14 | 12612 |
15 | 17160 |
16 | 22834 |
17 | 29805 |
18 | 38256 |
19 | 48382 |
20 | 60390 |
21 | 74499 |
22 | 90940 |
23 | 109956 |
24 | 131802 |
25 | 156745 |
26 | 185064 |
27 | 217050 |
28 | 253006 |
29 | 293247 |
30 | 338100 |
31 | 387904 |
32 | 443010 |
33 | 503781 |
34 | 570592 |
35 | 643830 |
36 | 723894 |
37 | 811195 |
38 | 906156 |
39 | 1009212 |
40 | 1120810 |
[0,6,22,75,204,460,906,1617,2680,4194,6270,9031, 12612,17160,22834,29805,38256,48382,60390,74499, 90940,109956,131802,156745,185064,217050,253006, 293247,338100,387904,443010,503781,570592,643830, 723894,811195,906156,1009212,1120810] |