# A273726 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 5 5 7 6 26 7 52 8 75 9 97 10 98 11 160 12 227 13 295 14 413 15 686 16 901 17 975 18 1088 19 1481 20 2555 21 4001 22 4361 23 5637 24 7568 25 8641 26 19526 27 26633 28 92186