n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 20 |
3 | 60 |
4 | 160 |
5 | 376 |
6 | 820 |
7 | 1660 |
8 | 3190 |
9 | 5830 |
10 | 10252 |
11 | 17380 |
12 | 28600 |
13 | 45760 |
14 | 71500 |
15 | 109252 |
16 | 163735 |
17 | 240955 |
18 | 348920 |
19 | 497640 |
20 | 700128 |
21 | 972400 |
22 | 1334840 |
23 | 1812200 |
24 | 2435420 |
25 | 3241628 |
26 | 4276520 |
27 | 5594360 |
28 | 7261040 |
29 | 9354080 |
30 | 11966504 |
31 | 15206840 |
[1,5,20,60,160,376,820,1660,3190,5830,10252,17380, 28600,45760,71500,109252,163735,240955,348920, 497640,700128,972400,1334840,1812200,2435420, 3241628,4276520,5594360,7261040,9354080,11966504, 15206840] |