# A090272 (b-file synthesized from sequence entry) 1 11 2 313 3 727 4 919 5 11311 6 33533 7 77377 8 990599 9 10101101 10 1114111 11 1212121 12 1311131 13 1411141 14 1513151 15 1611161 16 1712171 17 18102181 18 1917191 19 30301303 20 3135313 21 3233323 22 3331333 23 3439343 24 35301353 25 3635363 26 3732373 27 3836383