n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 5 |
6 | 12 |
7 | 32 |
8 | 93 |
9 | 279 |
10 | 872 |
11 | 2830 |
12 | 9433 |
13 | 32223 |
14 | 112527 |
15 | 400370 |
16 | 1448520 |
17 | 5320023 |
18 | 19802827 |
19 | 74612164 |
20 | 284238390 |
21 | 1093757436 |
22 | 4247742956 |
23 | 16636921148 |
24 | 65671960544 |
25 | 261111950308 |
26 | 1045172796381 |
27 | 4209807155949 |
28 | 17055625810984 |
29 | 69476952146529 |
30 | 284467866640048 |
[1,1,1,2,5,12,32,93,279,872,2830,9433,32223, 112527,400370,1448520,5320023,19802827,74612164, 284238390,1093757436,4247742956,16636921148, 65671960544,261111950308,1045172796381, 4209807155949,17055625810984,69476952146529, 284467866640048] |