n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 3 |
6 | 8 |
7 | 18 |
8 | 38 |
9 | 76 |
10 | 144 |
11 | 266 |
12 | 476 |
13 | 841 |
14 | 1452 |
15 | 2482 |
16 | 4179 |
17 | 6978 |
18 | 11515 |
19 | 18876 |
20 | 30642 |
21 | 49435 |
22 | 79116 |
23 | 125850 |
24 | 198771 |
25 | 312136 |
26 | 486940 |
27 | 755359 |
28 | 1164573 |
29 | 1785513 |
30 | 2721539 |
31 | 4125699 |
32 | 6218982 |
33 | 9324110 |
34 | 13902897 |
35 | 20620486 |
36 | 30419728 |
[0,0,0,0,1,3,8,18,38,76,144,266,476,841,1452,2482, 4179,6978,11515,18876,30642,49435,79116,125850, 198771,312136,486940,755359,1164573,1785513, 2721539,4125699,6218982,9324110,13902897,20620486, 30419728] |