n | a(n) |
---|---|
5 | 1 |
6 | 1 |
7 | 3 |
8 | 6 |
9 | 15 |
10 | 29 |
11 | 68 |
12 | 140 |
13 | 312 |
14 | 660 |
15 | 1443 |
16 | 3084 |
17 | 6710 |
18 | 14425 |
19 | 31278 |
20 | 67508 |
21 | 146300 |
22 | 316424 |
23 | 685955 |
24 | 1486008 |
25 | 3223480 |
26 | 6992012 |
27 | 15179437 |
28 | 32960891 |
29 | 71617874 |
30 | 155661971 |
31 | 338508703 |
32 | 736401503 |
33 | 1602712182 |
34 | 3489454243 |
35 | 7600403101 |
36 | 16560519877 |
37 | 36097320801 |
[1,1,3,6,15,29,68,140,312,660,1443,3084,6710, 14425,31278,67508,146300,316424,685955,1486008, 3223480,6992012,15179437,32960891,71617874, 155661971,338508703,736401503,1602712182, 3489454243,7600403101,16560519877,36097320801] |