# A004235 (b-file synthesized from sequence entry) 1 0 2 7 3 11 4 14 5 16 6 18 7 19 8 21 9 22 10 23 11 24 12 25 13 26 14 26 15 27 16 28 17 28 18 29 19 29 20 30 21 30 22 31 23 31 24 32 25 32 26 33 27 33 28 33 29 34 30 34 31 34 32 35 33 35 34 35 35 36 36 36 37 36 38 36 39 37 40 37 41 37 42 37 43 38 44 38 45 38 46 38 47 39 48 39 49 39 50 39 51 39 52 40 53 40 54 40 55 40