# A344274 (b-file synthesized from sequence entry) 1 1 2 6 3 24 4 105 5 385 6 1554 7 6063 8 23688 9 92610 10 362112 11 1416360 12 5539296 13 21663378 14 84725487 15 331362185 16 1295952084 17 5068450464 18 19822658688