# A008238 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 0 4 1 5 2 6 2 7 2 8 4 9 6 10 6 11 6 12 9 13 12 14 12 15 12 16 16 17 20 18 20 19 20 20 25 21 30 22 30 23 30 24 36 25 42 26 42 27 42 28 49 29 56 30 56 31 56 32 64 33 72 34 72 35 72 36 81 37 90 38 90 39 90 40 100 41 110 42 110 43 110 44 121 45 132 46 132 47 132 48 144 49 156 50 156 51 156 52 169 53 182 54 182