# A336440 (b-file synthesized from sequence entry)
0 0
1 1
2 1
3 53
4 65656
5 4306202624
6 21250781850448256
7 11198392471992778644752768
8 847058443993661249394101877997568000
9 11916672812223274564264480372420932763474540363776
10 39215070895580530235582705162664184972620228444352744200981184512