n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 11 |
4 | 33 |
5 | 95 |
6 | 278 |
7 | 808 |
8 | 2355 |
9 | 6856 |
10 | 19969 |
11 | 58151 |
12 | 169353 |
13 | 493190 |
14 | 1436288 |
15 | 4182793 |
16 | 12181260 |
17 | 35474611 |
18 | 103310209 |
19 | 300862991 |
20 | 876181998 |
21 | 2551642760 |
22 | 7430968523 |
23 | 21640683328 |
24 | 63022629465 |
25 | 183536340391 |
26 | 534499885849 |
27 | 1556586163406 |
28 | 4533135643968 |
29 | 13201529892305 |
30 | 38445880553108 |
31 | 111963215139163 |
32 | 326062542045345 |
[1,1,4,11,33,95,278,808,2355,6856,19969,58151, 169353,493190,1436288,4182793,12181260,35474611, 103310209,300862991,876181998,2551642760, 7430968523,21640683328,63022629465,183536340391, 534499885849,1556586163406,4533135643968, 13201529892305,38445880553108,111963215139163, 326062542045345] |