# A013006 (b-file synthesized from sequence entry) 0 1 1 4 2 16 3 544 4 11008 5 1060224 6 38065152 7 9708670976 8 276991311872 9 283899182678016 10 -9456062364418048 11 21467065808907534336 12 -3522630891818080796672 13 3483761539375407422242816