# A223080 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 20 12 30 13 40 14 50 15 60 16 70 17 80 18 90 19 510 20 540 21 810 22 5610 23 5940 24 8712 25 8910 26 9801 27 65340 28 87120 29 87912 30 659340 31 879120