# A285102 (b-file synthesized from sequence entry)
0 2
1 6
2 210
3 72930
4 620310
5 278995269860970
6 12849025509071310
7 492608110538467706074890
8 1342951001046021018427857601026746070
9 37793589449865555275592120894959094883390892772270
10 728982633030274864467458719371654181886452163442582606072870
11 28339554655955912942523491885490197708224606885407444005070