# A126455 (b-file synthesized from sequence entry) 0 1 1 3 2 15 3 220 4 7315 5 435897 6 40475358 7 5373200880 8 962889794295 9 223581013518060 10 65230517839369311 11 23345156728397937888 12 10052806195411162278095 13 5126493560257678027274800