# A324596 (b-file synthesized from sequence entry)
0 1
1 2
2 270
3 74692800
4 419731620267960000
5 252716802910471719823692648960000
6 59736659298524125157504488525739821430187940800000000
7 16079377413231597423103950774423398920424350187193326745026311068057600000000000