# A293558 (b-file synthesized from sequence entry) 1 1 2 3 3 1 4 15 5 5 6 2 7 105 8 35 9 14 10 8 11 1155 12 385 13 154 14 88 15 48 16 15015 17 5005 18 2002 19 1144 20 624 21 480 22 255255 23 85085 24 34034 25 19448 26 10608 27 8160 28 5760 29 4849845 30 1616615 31 646646 32 369512 33 201552 34 155040 35 109440 36 92160