n | a(n) |
---|---|
1 | 0 |
2 | 4 |
3 | 18 |
4 | 44 |
5 | 100 |
6 | 180 |
7 | 294 |
8 | 432 |
9 | 630 |
10 | 900 |
11 | 1210 |
12 | 1548 |
13 | 2028 |
14 | 2548 |
15 | 3150 |
16 | 3744 |
17 | 4624 |
18 | 5436 |
19 | 6498 |
20 | 7500 |
21 | 8820 |
22 | 10164 |
23 | 11638 |
24 | 13104 |
25 | 14900 |
26 | 16900 |
27 | 18792 |
28 | 20972 |
29 | 23548 |
30 | 26100 |
31 | 28830 |
32 | 31360 |
33 | 34848 |
34 | 38148 |
35 | 41650 |
36 | 44676 |
37 | 49284 |
38 | 53428 |
39 | 57798 |
40 | 62000 |
[0,4,18,44,100,180,294,432,630,900,1210,1548,2028, 2548,3150,3744,4624,5436,6498,7500,8820,10164, 11638,13104,14900,16900,18792,20972,23548,26100, 28830,31360,34848,38148,41650,44676,49284,53428, 57798,62000] |