# A265781 (b-file synthesized from sequence entry) 1 2 2 3 3 5 4 7 5 13 6 47 7 59 8 73 9 79 10 131 11 467 12 631 13 907 14 2467 15 3079 16 9319 17 11909 18 23971 19 32801 20 64613