n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 2 |
5 | 6 |
6 | 6 |
7 | 18 |
8 | 20 |
9 | 50 |
10 | 74 |
11 | 186 |
12 | 216 |
13 | 630 |
14 | 916 |
15 | 2002 |
16 | 3040 |
17 | 7710 |
18 | 10806 |
19 | 27594 |
20 | 40642 |
21 | 94658 |
22 | 158492 |
23 | 364722 |
24 | 516682 |
25 | 1333926 |
26 | 2180772 |
27 | 4770374 |
28 | 7845774 |
29 | 18512790 |
30 | 28706044 |
31 | 69273666 |
32 | 111116576 |
33 | 251853466 |
34 | 436650938 |
35 | 977895330 |
[1,1,2,2,6,6,18,20,50,74,186,216,630,916,2002, 3040,7710,10806,27594,40642,94658,158492,364722, 516682,1333926,2180772,4770374,7845774,18512790, 28706044,69273666,111116576,251853466,436650938, 977895330] |