# A355126 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 54 4 1936 5 168780 6 34360128 7 15979581632 8 16740281020160 9 39091514910283872 10 201702609432140369280 11 2281926772696486970224192 12 56217269029941735581289119232 13 2997472083791372184890466743907712 14 344025706673467887482938899075885442048