n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 2 |
6 | 5 |
7 | 10 |
8 | 18 |
9 | 31 |
10 | 51 |
11 | 79 |
12 | 121 |
13 | 177 |
14 | 254 |
15 | 356 |
16 | 490 |
17 | 661 |
18 | 882 |
19 | 1157 |
20 | 1501 |
21 | 1926 |
22 | 2445 |
23 | 3073 |
24 | 3834 |
25 | 4740 |
[0,0,0,1,2,5,10,18,31,51,79,121,177,254,356,490, 661,882,1157,1501,1926,2445,3073,3834,4740] |