n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 4 |
5 | 7 |
6 | 10 |
7 | 19 |
8 | 37 |
9 | 64 |
10 | 110 |
11 | 201 |
12 | 364 |
13 | 641 |
14 | 1140 |
15 | 2050 |
16 | 3662 |
17 | 6516 |
18 | 11638 |
19 | 20811 |
20 | 37140 |
21 | 66268 |
22 | 118356 |
23 | 211368 |
24 | 377308 |
25 | 673605 |
26 | 1202805 |
27 | 2147563 |
28 | 3834121 |
29 | 6845572 |
30 | 12222605 |
31 | 21822509 |
32 | 38962178 |
33 | 69564612 |
34 | 124203381 |
35 | 221756004 |
36 | 395929588 |
37 | 706906325 |
[1,1,1,1,4,7,10,19,37,64,110,201,364,641,1140, 2050,3662,6516,11638,20811,37140,66268,118356, 211368,377308,673605,1202805,2147563,3834121, 6845572,12222605,21822509,38962178,69564612, 124203381,221756004,395929588,706906325] |