n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 5 |
5 | 10 |
6 | 38 |
7 | 101 |
8 | 353 |
9 | 1070 |
10 | 3659 |
11 | 11843 |
12 | 40505 |
13 | 135873 |
14 | 468104 |
15 | 1604375 |
16 | 5576315 |
17 | 19386656 |
18 | 67950717 |
19 | 238676813 |
20 | 842797959 |
21 | 2983745508 |
22 | 10603445402 |
23 | 37777263153 |
24 | 134985354179 |
25 | 483438728094 |
26 | 1735527037388 |
27 | 6243193190117 |
28 | 22503637842423 |
[1,0,1,1,5,10,38,101,353,1070,3659,11843,40505, 135873,468104,1604375,5576315,19386656,67950717, 238676813,842797959,2983745508,10603445402, 37777263153,134985354179,483438728094, 1735527037388,6243193190117,22503637842423] |