# A340920 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 9 5 23 6 57 7 151 8 427 9 1263 10 3807 11 11549 12 34843 13 104459 14 311317 15 928719 16 2776247 17 8320757 18 24967341 19 74985337