# A306193 (b-file synthesized from sequence entry)
0 2
1 4
2 18
3 392
4 81250
5 225061452
6 9854913828914
7 7821195286733052688
8 128042318400630042200896962
9 48734103316428964151516768659332500
10 480771737247108575104717059364582638896056402
11 135700420467061659867201490569546772642393389614560348824