# A186507 (b-file synthesized from sequence entry) 1 2 2 2 3 2 4 6 5 10 6 14 7 30 8 47 9 62 10 91 11 134 12 217 13 316 14 483 15 743 16 1118 17 1598 18 2422 19 3616 20 5316 21 8061 22 12284 23 18675 24 26946 25 39146 26 59339 27 90790 28 137602 29 206390 30 316184