# A225107 (b-file synthesized from sequence entry) 1 3 2 24 3 228 4 2256 5 22512 6 225024 7 2250048 8 22500096 9 225000192 10 2250000384 11 22500000768 12 225000001536 13 2250000003072 14 22500000006144 15 225000000012288 16 2250000000024576 17 22500000000049152 18 225000000000098304 19 2250000000000196608 20 22500000000000393216