# A356493 (b-file synthesized from sequence entry) 0 1 1 2 2 13 3 271 4 12030 5 1346758 6 214022024 7 51763672608 8 16088934953136 9 6611717516842608 10 4412314619046451200 11 3533754988232088933120 12 3506189715435673999194112 13 4444138735439968822425464576 14 5893766827264238066914528545792 15 8502284313901016361834901076874240 16 15350799440394462109333953415858960384