# A354237 (b-file synthesized from sequence entry) 0 1 1 1 2 0 3 2 4 -8 5 64 6 -592 7 6768 8 -90624 9 1395840 10 -24292608 11 471453696 12 -10094066688 13 236340378624 14 -6007053852672 15 164713554069504 16 -4846361933021184 17 152300800682754048 18 -5091189648734748672 19 180386551596145508352 20 -6752521487083688165376