# A117577 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 4 5 5 6 12 7 19 8 22 9 26 10 29 11 41 12 58 13 72 14 80 15 94 16 282 17 311 18 2554 19 12348 20 14842 21 17461