n | a(n) |
---|---|
1 | 4 |
2 | 30 |
3 | 114 |
4 | 310 |
5 | 690 |
6 | 1344 |
7 | 2380 |
8 | 3924 |
9 | 6120 |
10 | 9130 |
11 | 13134 |
12 | 18330 |
13 | 24934 |
14 | 33180 |
15 | 43320 |
16 | 55624 |
17 | 70380 |
18 | 87894 |
19 | 108490 |
20 | 132510 |
21 | 160314 |
22 | 192280 |
23 | 228804 |
24 | 270300 |
25 | 317200 |
26 | 369954 |
27 | 429030 |
28 | 494914 |
29 | 568110 |
30 | 649140 |
[4,30,114,310,690,1344,2380,3924,6120,9130,13134, 18330,24934,33180,43320,55624,70380,87894,108490, 132510,160314,192280,228804,270300,317200,369954, 429030,494914,568110,649140] |