# A123785 (b-file synthesized from sequence entry) 1 1 2 3 3 5 4 16 5 36 6 124 7 287 8 1043 9 2573 10 9448 11 24161 12 89827 13 235902 14 886047 15 2372494 16 8968829 17 24410414 18 92783928 19 255723571 20 976331352