n | a(n) |
---|---|
0 | 3 |
1 | 7 |
2 | 18 |
3 | 45 |
4 | 111 |
5 | 272 |
6 | 663 |
7 | 1611 |
8 | 3906 |
9 | 9457 |
10 | 22875 |
11 | 55296 |
12 | 133611 |
13 | 322751 |
14 | 779490 |
15 | 1882341 |
16 | 4545159 |
17 | 10974256 |
18 | 26496255 |
19 | 63970947 |
20 | 154444914 |
21 | 372871721 |
22 | 900206067 |
23 | 2173312512 |
24 | 5246877459 |
25 | 12667142455 |
26 | 30581283762 |
27 | 73829906397 |
28 | 178241414367 |
29 | 430313249360 |
[3,7,18,45,111,272,663,1611,3906,9457,22875,55296, 133611,322751,779490,1882341,4545159,10974256, 26496255,63970947,154444914,372871721,900206067, 2173312512,5246877459,12667142455,30581283762, 73829906397,178241414367,430313249360] |