# A173276 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 2 5 3 6 3 7 3 8 4 9 4 10 5 11 5 12 5 13 6 14 6 15 7 16 7 17 7 18 8 19 8 20 9 21 9 22 9 23 10 24 10 25 11 26 11 27 11 28 12 29 12 30 13 31 13 32 13 33 14 34 14 35 15 36 15 37 15 38 16 39 16 40 17 41 17 42 17 43 18 44 18 45 19 46 19 47 19 48 20 49 20 50 21 51 21 52 21 53 22 54 22 55 23 56 23 57 23 58 24 59 24 60 25 61 25 62 25 63 26 64 26 65 27 66 27 67 27 68 28 69 28