# A159309 (b-file synthesized from sequence entry) 1 1 2 3 3 10 4 35 5 116 6 606 7 2990 8 11203 9 65368 10 567558 11 3229942 12 12730946 13 78628616 14 666394746 15 3968286590 16 21143707843 17 160244432497 18 1602468019110 19 20852615681805 20 320475672814590 21 4102188681702086 22 36438823274699332