n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 6 |
3 | 46 |
4 | 75 |
5 | 231 |
6 | 1414 |
7 | 2376 |
8 | 5985 |
9 | 14151 |
10 | 89454 |
11 | 135330 |
12 | 343677 |
13 | 697017 |
14 | 1657212 |
15 | 9439826 |
16 | 14381055 |
17 | 33119667 |
18 | 66361286 |
19 | 141451860 |
20 | 283907499 |
21 | 1642516411 |
22 | 2346737106 |
23 | 5367877296 |
24 | 10093521943 |
25 | 20923900623 |
26 | 38428831710 |
27 | 80538197724 |
28 | 416229711735 |
[1,3,6,46,75,231,1414,2376,5985,14151,89454, 135330,343677,697017,1657212,9439826,14381055, 33119667,66361286,141451860,283907499,1642516411, 2346737106,5367877296,10093521943,20923900623, 38428831710,80538197724,416229711735] |