# A189879 (b-file synthesized from sequence entry) 1 1 2 0 3 0 4 2 5 2 6 4 7 28 8 0 9 20 10 20 11 180 12 520 13 1888 14 6016 15 22480 16 105236 17 433500 18 1933604 19 9687268 20 50998366 21 269523272 22 1507984008