# A301456 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 12 4 49 5 217 6 1006 7 4810 8 23576 9 117812 10 597937 11 3073874 12 15972678 13 83758809 14 442681653 15 2355678968 16 12610759255 17 67868269712 18 366979432955 19 1992755590086 20 10862329206524 21 59414599714958 22 326009477088080 23 1793977307978268 24 9898072238695390 25 54744525395860053 26 303463833091357785