# A274008 (b-file synthesized from sequence entry) 0 1 1 3 2 7 3 15 4 27 5 47 6 71 7 107 8 151 9 207 10 271 11 355 12 447 13 563 14 691 15 835 16 995 17 1187 18 1391 19 1631 20 1887 21 2167 22 2467 23 2811 24 3171 25 3571 26 3995 27 4455 28 4939 29 5479 30 6035 31 6651 32 7299 33 7987 34 8707 35 9475 36 10267 37 11131 38 12031 39 12979 40 13959 41 15019 42 16103 43 17271 44 18479 45 19735