# A272272 (b-file synthesized from sequence entry) 1 4 2 8 3 24 4 36 5 48 6 246 7 608 8 734 9 774 10 824 11 948 12 1244 13 3230 14 4656 15 5448 16 6360 17 7598 18 15390 19 48158 20 86754