n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 20 |
3 | 70 |
4 | 168 |
5 | 330 |
6 | 572 |
7 | 910 |
8 | 1360 |
9 | 1938 |
10 | 2660 |
11 | 3542 |
12 | 4600 |
13 | 5850 |
14 | 7308 |
15 | 8990 |
16 | 10912 |
17 | 13090 |
18 | 15540 |
19 | 18278 |
20 | 21320 |
21 | 24682 |
22 | 28380 |
23 | 32430 |
24 | 36848 |
25 | 41650 |
26 | 46852 |
27 | 52470 |
28 | 58520 |
29 | 65018 |
30 | 71980 |
31 | 79422 |
32 | 87360 |
33 | 95810 |
34 | 104788 |
35 | 114310 |
36 | 124392 |
37 | 135050 |
38 | 146300 |
39 | 158158 |
40 | 170640 |
41 | 183762 |
42 | 197540 |
43 | 211990 |
44 | 227128 |
45 | 242970 |
[0,2,20,70,168,330,572,910,1360,1938,2660,3542, 4600,5850,7308,8990,10912,13090,15540,18278,21320, 24682,28380,32430,36848,41650,46852,52470,58520, 65018,71980,79422,87360,95810,104788,114310, 124392,135050,146300,158158,170640,183762,197540, 211990,227128,242970] |