# A052080 (b-file synthesized from sequence entry) 1 2 2 4 3 0 4 10 5 7 6 0 7 73 8 46 9 0 10 56 11 219 12 0 13 25 14 60 15 0 16 52 17 117 18 0 19 535 20 172 21 0