# A060507 (b-file synthesized from sequence entry) 0 1 1 72 2 3456 3 746496 4 214990848 5 1719926784 6 743008370688 7 53496602689536 8 10271347716390912 9 6655833320221310976 10 958439998111868780544 11 23002559954684850733056