# A141740 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 6 4 10 5 13 6 19 7 28 8 35 9 42 10 51 11 59 12 70 13 78 14 91 15 107 16 125 17 139 18 153 19 167 20 189 21 209 22 229 23 254 24 276