n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 18 |
4 | 72 |
5 | 200 |
6 | 378 |
7 | 588 |
8 | 1312 |
9 | 2106 |
10 | 3650 |
11 | 4840 |
12 | 7848 |
13 | 10140 |
14 | 14210 |
15 | 20250 |
16 | 25728 |
17 | 32368 |
18 | 42282 |
19 | 51984 |
20 | 67400 |
21 | 80262 |
22 | 97042 |
23 | 116380 |
24 | 141984 |
25 | 167500 |
26 | 195026 |
27 | 228906 |
28 | 266952 |
29 | 306124 |
30 | 358650 |
31 | 403620 |
32 | 463360 |
33 | 524898 |
34 | 592450 |
35 | 671300 |
36 | 754920 |
37 | 837828 |
38 | 936434 |
[0,2,18,72,200,378,588,1312,2106,3650,4840,7848, 10140,14210,20250,25728,32368,42282,51984,67400, 80262,97042,116380,141984,167500,195026,228906, 266952,306124,358650,403620,463360,524898,592450, 671300,754920,837828,936434] |