# A209672 (b-file synthesized from sequence entry) 1 1 2 5 3 26 4 165 5 1093 6 8203 7 64516 8 550766 9 4911215 10 46480657 11 457372449 12 4714813700 13 50312993309 14 557792410015 15 6377533006104 16 75321602836350 17 914532538185703 18 11422271100356431 19 146273502952981364 20 1920759273853147991 21 25802956138975439144 22 354546559878617075950