n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 20 |
3 | 68 |
4 | 175 |
5 | 392 |
6 | 786 |
7 | 1440 |
8 | 2475 |
9 | 4036 |
10 | 6292 |
11 | 9464 |
12 | 13805 |
13 | 19600 |
14 | 27200 |
15 | 36996 |
16 | 49419 |
17 | 64980 |
18 | 84238 |
19 | 107800 |
20 | 136367 |
21 | 170696 |
22 | 211600 |
23 | 260000 |
24 | 316881 |
25 | 383292 |
26 | 460404 |
27 | 549460 |
28 | 651775 |
29 | 768800 |
30 | 902066 |
31 | 1053184 |
32 | 1223915 |
33 | 1416108 |
34 | 1631700 |
35 | 1872792 |
36 | 2141581 |
[1,4,20,68,175,392,786,1440,2475,4036,6292,9464, 13805,19600,27200,36996,49419,64980,84238,107800, 136367,170696,211600,260000,316881,383292,460404, 549460,651775,768800,902066,1053184,1223915, 1416108,1631700,1872792,2141581] |