# A175335 (b-file synthesized from sequence entry) 1 1 2 10 3 15 4 660 5 693 6 990 7 1023 8 2704680 9 2706729 10 2839914 11 2841963 12 4057020 13 4059069 14 4192254 15 4194303 16 45377005980240 17 45377014368849 18 45411382499922 19 45411390888531 20 47645856279252 21 47645864667861 22 47680232798934 23 47680241187543