# A206246 (b-file synthesized from sequence entry) 1 1 2 3 3 7 4 13 5 21 6 31 7 43 8 91 9 111 10 183 11 211 12 241 13 273 14 381 15 421 16 553 17 601 18 651 19 703 20 1261 21 1333 22 1561 23 1641 24 2863 25 2971 26 3081 27 3193 28 4291 29 4423 30 5403 31 5551 32 6973 33 7141 34 8011 35 8191 36 8743 37 8931 38 11991 39 12211 40 13341 41 13573 42 14281 43 14521 44 15253 45 15501 46 15751 47 16003