# A164808 (b-file synthesized from sequence entry) 1 -1 2 0 3 3 4 11 5 7 6 15 7 14 8 17 9 23 10 17 11 27 12 43 13 37 14 47 15 57 16 117 17 127 18 143 19 137 20 147 21 157 22 243 23 237 24 247 25 257 26 357 27 447 28 457