# A123934 (b-file synthesized from sequence entry) 1 1 2 2 3 2 4 3 5 7 6 3 7 4 8 16 9 16 10 4 11 5 12 30 13 51 14 30 15 5 16 6 17 50 18 126 19 126 20 50 21 6 22 7 23 77 24 266 25 393 26 266 27 77 28 7