# A056707 (b-file synthesized from sequence entry) 1 1 2 2 3 16 4 31 5 37 6 55 7 62 8 172 9 174 10 197 11 727 12 1246 13 1752 14 4318 15 4328 16 4930 17 6450 18 15206 19 24041 20 25321 21 33068 22 41484 23 51511