n | a(n) |
---|---|
3 | 0 |
4 | 0 |
5 | 0 |
6 | 7 |
7 | 28 |
8 | 79 |
9 | 460 |
10 | 2486 |
11 | 11209 |
12 | 59787 |
13 | 361777 |
14 | 2167635 |
15 | 13577211 |
16 | 91919186 |
17 | 650059294 |
18 | 4761980740 |
19 | 36508824672 |
20 | 292116858616 |
21 | 2424047807182 |
22 | 20847409357919 |
23 | 185754041370693 |
24 | 1711253802075941 |
25 | 16272637412753211 |
26 | 159561718074359537 |
27 | 1611599794862761838 |
28 | 16747401536440092104 |
[0,0,0,7,28,79,460,2486,11209,59787,361777, 2167635,13577211,91919186,650059294,4761980740, 36508824672,292116858616,2424047807182, 20847409357919,185754041370693,1711253802075941, 16272637412753211,159561718074359537, 1611599794862761838,16747401536440092104] |