# A026653 (b-file synthesized from sequence entry) 2 1 3 7 4 30 5 148 6 610 7 2823 8 11690 9 52952 10 221094 11 992190 12 4173708 13 18642456 14 78906516 15 351537963 16 1495497690 17 6652572976 18 28420125190 19 126308309058 20 541492971140 21 2405203008440 22 10341957297084 23 45920564571398 24 197952999374468