n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 10 |
3 | 20 |
4 | 35 |
5 | 57 |
6 | 89 |
7 | 136 |
8 | 205 |
9 | 306 |
10 | 454 |
11 | 671 |
12 | 989 |
13 | 1455 |
14 | 2138 |
15 | 3139 |
16 | 4606 |
17 | 6756 |
18 | 9907 |
19 | 14525 |
20 | 21293 |
21 | 31212 |
22 | 45749 |
23 | 67054 |
24 | 98278 |
25 | 144039 |
26 | 211105 |
27 | 309395 |
28 | 453446 |
29 | 664563 |
30 | 973970 |
31 | 1427428 |
32 | 2092003 |
33 | 3065985 |
34 | 4493425 |
35 | 6585440 |
36 | 9651437 |
37 | 14144874 |
38 | 20730326 |
39 | 30381775 |
[1,4,10,20,35,57,89,136,205,306,454,671,989,1455, 2138,3139,4606,6756,9907,14525,21293,31212,45749, 67054,98278,144039,211105,309395,453446,664563, 973970,1427428,2092003,3065985,4493425,6585440, 9651437,14144874,20730326,30381775] |