# A103060 (b-file synthesized from sequence entry) 1 1 2 2 3 5 4 7 5 23 6 32 7 38 8 47 9 116 10 140 11 229 12 247 13 734 14 931 15 1346 16 2162 17 2546 18 6980 19 10283 20 10543 21 12128 22 13741 23 105320