n | a(n) |
---|---|
1 | 0 |
2 | 4 |
3 | 13 |
4 | 45 |
5 | 95 |
6 | 203 |
7 | 350 |
8 | 606 |
9 | 930 |
10 | 1430 |
11 | 2035 |
12 | 2899 |
13 | 3913 |
14 | 5285 |
15 | 6860 |
16 | 8908 |
17 | 11220 |
18 | 14136 |
19 | 17385 |
20 | 21385 |
21 | 25795 |
22 | 31119 |
23 | 36938 |
24 | 43850 |
25 | 51350 |
26 | 60138 |
27 | 69615 |
28 | 80591 |
29 | 92365 |
30 | 105865 |
31 | 120280 |
32 | 136664 |
33 | 154088 |
34 | 173740 |
35 | 194565 |
36 | 217893 |
37 | 242535 |
38 | 269971 |
[0,4,13,45,95,203,350,606,930,1430,2035,2899,3913, 5285,6860,8908,11220,14136,17385,21385,25795, 31119,36938,43850,51350,60138,69615,80591,92365, 105865,120280,136664,154088,173740,194565,217893, 242535,269971] |