n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 9 |
6 | 21 |
7 | 76 |
8 | 241 |
9 | 962 |
10 | 3687 |
11 | 15930 |
12 | 68993 |
13 | 320025 |
14 | 1511977 |
15 | 7471685 |
16 | 37780922 |
17 | 197506241 |
18 | 1056928087 |
19 | 5810534182 |
20 | 32667061545 |
21 | 187952045908 |
22 | 1104355482420 |
23 | 6623724997302 |
24 | 40514607315969 |
25 | 252490521215350 |
26 | 1602602016169781 |
27 | 10349126940718990 |
28 | 67984993381548943 |
29 | 453846136553840921 |
30 | 3078734565764856380 |
31 | 21202631838742029002 |
32 | 148238158399524358952 |
33 | 1051257411796217414475 |
[1,1,1,2,3,9,21,76,241,962,3687,15930,68993, 320025,1511977,7471685,37780922,197506241, 1056928087,5810534182,32667061545,187952045908, 1104355482420,6623724997302,40514607315969, 252490521215350,1602602016169781, 10349126940718990,67984993381548943, 453846136553840921,3078734565764856380, 21202631838742029002,148238158399524358952, 1051257411796217414475] |