n | a(n) |
---|---|
7 | 1 |
8 | 1 |
9 | 5 |
10 | 13 |
11 | 47 |
12 | 136 |
13 | 428 |
14 | 1252 |
15 | 3716 |
16 | 10708 |
17 | 30823 |
18 | 87504 |
19 | 247438 |
20 | 694588 |
21 | 1942866 |
22 | 5411640 |
23 | 15034045 |
24 | 41659417 |
25 | 115231598 |
26 | 318231047 |
27 | 877817312 |
28 | 2419033683 |
29 | 6661335192 |
30 | 18332784221 |
31 | 50432439047 |
32 | 138692804603 |
33 | 381332833730 |
34 | 1048322091176 |
35 | 2881742370070 |
[1,1,5,13,47,136,428,1252,3716,10708,30823,87504, 247438,694588,1942866,5411640,15034045,41659417, 115231598,318231047,877817312,2419033683, 6661335192,18332784221,50432439047,138692804603, 381332833730,1048322091176,2881742370070] |