n | a(n) |
---|---|
0 | 3 |
1 | 6 |
2 | 12 |
3 | 33 |
4 | 66 |
5 | 132 |
6 | 363 |
7 | 726 |
8 | 1353 |
9 | 4884 |
10 | 9768 |
11 | 18447 |
12 | 92928 |
13 | 175857 |
14 | 934428 |
15 | 1758867 |
16 | 9447438 |
17 | 17794887 |
18 | 96644658 |
19 | 182289327 |
20 | 906271608 |
21 | 1712444217 |
22 | 8836886388 |
23 | 17673772776 |
24 | 85401510447 |
25 | 159803020905 |
26 | 668823329856 |
27 | 1327746658722 |
28 | 3606313135953 |
29 | 7201626272016 |
[3,6,12,33,66,132,363,726,1353,4884,9768,18447, 92928,175857,934428,1758867,9447438,17794887, 96644658,182289327,906271608,1712444217, 8836886388,17673772776,85401510447,159803020905, 668823329856,1327746658722,3606313135953, 7201626272016] |