# A043365 (b-file synthesized from sequence entry) 1 4 2 9 3 14 4 19 5 20 6 21 7 22 8 23 9 29 10 34 11 39 12 44 13 45 14 46 15 47 16 48 17 54 18 59 19 64 20 69 21 70