# A363203 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 2 5 4 6 9 7 20 8 51 9 128 10 338 11 882 12 2350 13 6238 14 16693 15 44561 16 119339 17 319104 18 854420 19 2285357