n | a(n) |
---|---|
0 | 4 |
1 | 12 |
2 | 37 |
3 | 115 |
4 | 358 |
5 | 1115 |
6 | 3473 |
7 | 10818 |
8 | 33697 |
9 | 104963 |
10 | 326950 |
11 | 1018419 |
12 | 3172281 |
13 | 9881362 |
14 | 30779529 |
15 | 95875387 |
16 | 298642966 |
17 | 930245227 |
18 | 2897627873 |
19 | 9025842914 |
20 | 28114666161 |
21 | 87574585651 |
22 | 272786737286 |
23 | 849705465187 |
24 | 2646753961545 |
25 | 8244393875250 |
[4,12,37,115,358,1115,3473,10818,33697,104963, 326950,1018419,3172281,9881362,30779529,95875387, 298642966,930245227,2897627873,9025842914, 28114666161,87574585651,272786737286,849705465187, 2646753961545,8244393875250] |