# A110428 (b-file synthesized from sequence entry) 1 1 2 2 3 2 4 4 5 4 6 16 7 32 8 64 9 64 10 4096 11 131072 12 2097152 13 8388608 14 33554432 15 67108864 16 134217728 17 134217728 18 18014398509481984 19 1208925819614629174706176 20 40564819207303340847894502572032 21 340282366920938463463374607431768211456