# A114970 (b-file synthesized from sequence entry) 1 5 2 7 3 17 4 25 5 43 6 61 7 69 8 73 9 105 10 111 11 117 12 123 13 135 14 141 15 171 16 219 17 231 18 241 19 309 20 321 21 543 22 739