n | a(n) |
---|---|
1 | 2 |
2 | 10 |
3 | 30 |
4 | 68 |
5 | 140 |
6 | 246 |
7 | 406 |
8 | 616 |
9 | 900 |
10 | 1290 |
11 | 1760 |
12 | 2364 |
13 | 3094 |
14 | 3934 |
15 | 4920 |
16 | 6096 |
17 | 7480 |
18 | 9018 |
19 | 10792 |
20 | 12780 |
21 | 14952 |
22 | 17402 |
23 | 20102 |
24 | 23112 |
25 | 26500 |
26 | 30186 |
27 | 34128 |
28 | 38388 |
29 | 42920 |
30 | 47790 |
31 | 53320 |
32 | 59232 |
33 | 65604 |
34 | 72318 |
35 | 79660 |
36 | 87372 |
37 | 95608 |
38 | 104386 |
39 | 113646 |
40 | 123480 |
[2,10,30,68,140,246,406,616,900,1290,1760,2364, 3094,3934,4920,6096,7480,9018,10792,12780,14952, 17402,20102,23112,26500,30186,34128,38388,42920, 47790,53320,59232,65604,72318,79660,87372,95608, 104386,113646,123480] |