# A004442 (b-file synthesized from sequence entry) 0 1 1 0 2 3 3 2 4 5 5 4 6 7 7 6 8 9 9 8 10 11 11 10 12 13 13 12 14 15 15 14 16 17 17 16 18 19 19 18 20 21 21 20 22 23 23 22 24 25 25 24 26 27 27 26 28 29 29 28 30 31 31 30 32 33 33 32 34 35 35 34 36 37 37 36 38 39 39 38 40 41 41 40 42 43 43 42 44 45 45 44 46 47 47 46 48 49 49 48 50 51 51 50 52 53 53 52 54 55 55 54 56 57 57 56 58 59 59 58 60 61 61 60 62 63 63 62 64 65 65 64 66 67 67 66 68 69