n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 3 |
6 | 7 |
7 | 22 |
8 | 155 |
9 | 3411 |
10 | 528706 |
11 | 1803416167 |
12 | 953476947989903 |
13 | 1719515742866809222961802 |
14 | 1639518622529236077952144318816050685207 |
15 | 2819178082162327154499022366029959843954512194276761760087463015 |
[0,0,1,1,2,3,7,22,155,3411,528706,1803416167, 953476947989903,1719515742866809222961802, 1639518622529236077952144318816050685207, 28191780821623271544990223660299598439545121942767\ 61760087463015] |