n | a(n) |
---|---|
0 | 2 |
1 | 5 |
2 | 12 |
3 | 25 |
4 | 50 |
5 | 96 |
6 | 180 |
7 | 331 |
8 | 600 |
9 | 1075 |
10 | 1908 |
11 | 3360 |
12 | 5878 |
13 | 10225 |
14 | 17700 |
15 | 30509 |
16 | 52390 |
17 | 89664 |
18 | 153000 |
19 | 260375 |
20 | 442032 |
21 | 748775 |
22 | 1265832 |
23 | 2136000 |
24 | 3598250 |
25 | 6052061 |
26 | 10164540 |
27 | 17048641 |
28 | 28559450 |
29 | 47786400 |
30 | 79870428 |
31 | 133359715 |
32 | 222457608 |
33 | 370747675 |
34 | 617363100 |
[2,5,12,25,50,96,180,331,600,1075,1908,3360,5878, 10225,17700,30509,52390,89664,153000,260375, 442032,748775,1265832,2136000,3598250,6052061, 10164540,17048641,28559450,47786400,79870428, 133359715,222457608,370747675,617363100] |