# A379383 (b-file synthesized from sequence entry) 0 1 1 2 2 10 3 80 4 750 5 7680 6 83252 7 939008 8 10905942 9 129548288 10 1566565452 11 19220267008 12 238662840780 13 2993651974144 14 37876206019560 15 482802294325248 16 6194365014836582 17 79930063134392320 18 1036640587694252380 19 13505632613590630400 20 176673045664669396132 21 2319654465118014537728