# A185634 (b-file synthesized from sequence entry) 2 1 3 2 4 21 5 204 6 2605 7 39990 8 720601 9 14913080 10 348678441 11 9090909090 12 261535698061 13 8230246567620 14 281241170407093 15 10371206370520814 16 410525522232055665 17 17361641481138401520 18 781282469559318055057 19 37275544492386193492506 20 1879498672877297909667781