# A025862 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 0 4 1 5 1 6 0 7 0 8 1 9 1 10 2 11 0 12 1 13 1 14 2 15 2 16 1 17 1 18 2 19 2 20 4 21 1 22 2 23 2 24 4 25 4 26 2 27 2 28 4 29 4 30 6 31 2 32 4 33 4 34 6 35 6 36 4 37 4 38 6 39 6 40 9 41 4 42 6 43 6 44 9 45 9 46 6 47 6 48 9 49 9 50 12 51 6 52 9 53 9 54 12 55 12 56 9 57 9 58 12 59 12 60 16 61 9 62 12 63 12 64 16 65 16 66 12 67 12 68 16 69 16 70 20 71 12 72 16