# A199409 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 8 5 17 6 37 7 82 8 184 9 417 10 954 11 2200 12 5109 13 11937 14 28040 15 66179 16 156857 17 373205 18 891034 19 2134072 20 5125944 21 12344835 22 29802478 23 72109852 24 174839832 25 424742526 26 1033697149 27 2519947080 28 6152807700 29 15045156972 30 36840289213 31 90326900587 32 221741403579 33 544982530105