n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 4 |
3 | 11 |
4 | 26 |
5 | 56 |
6 | 115 |
7 | 230 |
8 | 453 |
9 | 884 |
10 | 1716 |
11 | 3321 |
12 | 6416 |
13 | 12383 |
14 | 23886 |
15 | 46060 |
16 | 88803 |
17 | 171194 |
18 | 330009 |
19 | 636136 |
20 | 1226216 |
21 | 2363633 |
22 | 4556076 |
23 | 8782147 |
24 | 16928162 |
25 | 32630112 |
26 | 62896595 |
27 | 121237118 |
28 | 233692093 |
29 | 450456028 |
30 | 868281948 |
31 | 1673667305 |
32 | 3226097496 |
33 | 6218502903 |
[0,1,4,11,26,56,115,230,453,884,1716,3321,6416, 12383,23886,46060,88803,171194,330009,636136, 1226216,2363633,4556076,8782147,16928162,32630112, 62896595,121237118,233692093,450456028,868281948, 1673667305,3226097496,6218502903] |