# A275913 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 5 5 11 6 15 7 17 8 33 9 35 10 51 11 57 12 65 13 91 14 105 15 129 16 165 17 195 18 205 19 221 20 255 21 257 22 385 23 451 24 561 25 861 26 897 27 969 28 1615