n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 1 |
7 | 13 |
8 | 91 |
9 | 456 |
10 | 1834 |
11 | 6293 |
12 | 19125 |
13 | 52781 |
14 | 134643 |
15 | 321622 |
16 | 726650 |
17 | 1564696 |
18 | 3231635 |
19 | 6432859 |
20 | 12395504 |
21 | 23195905 |
22 | 42287433 |
23 | 75274166 |
24 | 131143033 |
25 | 223982780 |
26 | 375713010 |
27 | 619712403 |
28 | 1006599177 |
29 | 1611563058 |
30 | 2546148075 |
31 | 3972522337 |
32 | 6126699846 |
33 | 9345436668 |
[0,0,0,0,0,1,13,91,456,1834,6293,19125,52781, 134643,321622,726650,1564696,3231635,6432859, 12395504,23195905,42287433,75274166,131143033, 223982780,375713010,619712403,1006599177, 1611563058,2546148075,3972522337,6126699846, 9345436668] |