# A103068 (b-file synthesized from sequence entry) 1 1 2 5 3 11 4 12 5 17 6 28 7 46 8 48 9 61 10 73 11 138 12 178 13 213 14 405 15 762 16 1053 17 1157 18 1427 19 2865 20 3148 21 3615 22 13447 23 48081