# A375337 (b-file synthesized from sequence entry) 1 1 2 3 3 10 4 35 5 330 6 1716 7 12376 8 75582 9 490314 10 4292145 11 300540195 12 17672631900 13 7898654920 14 960566918220 15 1503232609098 16 64617565719070 17 109712808959985 18 232714176627630544 19 13413576695470557606 20 5300174441392685400 21 873065282167813104916 22 13146145590943010676030