n | a(n) |
---|---|
1 | 0 |
2 | 4 |
3 | 76 |
4 | 516 |
5 | 2148 |
6 | 6768 |
7 | 17600 |
8 | 40120 |
9 | 82608 |
10 | 157252 |
11 | 280988 |
12 | 477012 |
13 | 775172 |
14 | 1214768 |
15 | 1844512 |
16 | 2725000 |
17 | 3930384 |
18 | 5550844 |
19 | 7692300 |
20 | 10482124 |
21 | 14066996 |
22 | 18619128 |
23 | 24337056 |
24 | 31449200 |
25 | 40212160 |
26 | 50921316 |
27 | 63907468 |
28 | 79542108 |
[0,4,76,516,2148,6768,17600,40120,82608,157252, 280988,477012,775172,1214768,1844512,2725000, 3930384,5550844,7692300,10482124,14066996, 18619128,24337056,31449200,40212160,50921316, 63907468,79542108] |