n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 3 |
4 | 6 |
5 | 12 |
6 | 23 |
7 | 43 |
8 | 80 |
9 | 148 |
10 | 273 |
11 | 503 |
12 | 926 |
13 | 1704 |
14 | 3135 |
15 | 5767 |
16 | 10608 |
17 | 19512 |
18 | 35889 |
19 | 66011 |
20 | 121414 |
21 | 223316 |
22 | 410743 |
23 | 755475 |
24 | 1389536 |
25 | 2555756 |
26 | 4700769 |
27 | 8646063 |
28 | 15902590 |
29 | 29249424 |
30 | 53798079 |
31 | 98950095 |
32 | 181997600 |
33 | 334745776 |
34 | 615693473 |
[0,0,1,3,6,12,23,43,80,148,273,503,926,1704,3135, 5767,10608,19512,35889,66011,121414,223316,410743, 755475,1389536,2555756,4700769,8646063,15902590, 29249424,53798079,98950095,181997600,334745776, 615693473] |