n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 40 |
3 | 270 |
4 | 1088 |
5 | 3250 |
6 | 7992 |
7 | 17150 |
8 | 33280 |
9 | 59778 |
10 | 101000 |
11 | 162382 |
12 | 250560 |
13 | 373490 |
14 | 540568 |
15 | 762750 |
16 | 1052672 |
17 | 1424770 |
18 | 1895400 |
19 | 2482958 |
20 | 3208000 |
21 | 4093362 |
22 | 5164280 |
23 | 6448510 |
24 | 7976448 |
25 | 9781250 |
26 | 11898952 |
27 | 14368590 |
28 | 17232320 |
29 | 20535538 |
[0,2,40,270,1088,3250,7992,17150,33280,59778, 101000,162382,250560,373490,540568,762750,1052672, 1424770,1895400,2482958,3208000,4093362,5164280, 6448510,7976448,9781250,11898952,14368590, 17232320,20535538] |