# A125319 (b-file synthesized from sequence entry) 0 1 1 9 2 51 3 249 4 1387 5 7879 6 45663 7 267367 8 1575395 9 9316455 10 55211811 11 327600447 12 1945195699 13 11554693471 14 68652279747 15 407952680479 16 2424365629955 17 14408066169471 18 85629681584835 19 508919764066431 20 3024669695471107