n | a(n) |
---|---|
1 | 4 |
2 | 21 |
3 | 76 |
4 | 218 |
5 | 568 |
6 | 1295 |
7 | 2688 |
8 | 5108 |
9 | 9084 |
10 | 15457 |
11 | 25188 |
12 | 39646 |
13 | 60512 |
14 | 89635 |
15 | 129224 |
16 | 182088 |
17 | 251708 |
18 | 341805 |
19 | 456868 |
20 | 601938 |
21 | 782344 |
22 | 1004327 |
23 | 1274776 |
24 | 1601612 |
25 | 1994244 |
26 | 2462873 |
27 | 3018108 |
28 | 3671398 |
29 | 4434624 |
30 | 5320555 |
31 | 6345320 |
[4,21,76,218,568,1295,2688,5108,9084,15457,25188, 39646,60512,89635,129224,182088,251708,341805, 456868,601938,782344,1004327,1274776,1601612, 1994244,2462873,3018108,3671398,4434624,5320555, 6345320] |