# A130592 (b-file synthesized from sequence entry) 0 1 1 12 2 90 3 548 4 2986 5 15284 6 74309 7 346716 8 1571119 9 6992940 10 30875360 11 136381936 12 607183046 13 2742567784 14 12641133025 15 59750365748 16 290733288513 17 1460096920092 18 7578070997402 19 40648251605280 20 225116682011442