# A339032 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 10 4 31 5 86 6 219 7 526 8 1215 9 2734 10 6043 11 13190 12 28527 13 61270 14 130875 15 278302 16 589567 17 1244894 18 2621115 19 5504662 20 11533935 21 24116806 22 50331163 23 104857070 24 218103231 25 452984206 26 939523419 27 1946156326 28 4026531055 29 8321498294 30 17179868283 31 35433479230