# A192663 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 9 4 22 5 54 6 136 7 340 8 857 9 2164 10 5481 11 13911 12 35379 13 90124 14 229913 15 587254 16 1501615 17 3843314 18 9845118 19 25238541 20 64744455 21 166190960 22 426829202 23 1096784835 24 2819620836 25 7251796132 26 18658280277 27 48023738374 28 123648031266 29 318460151301 30 820446813941