# A274312 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 2 5 2 6 3 7 4 8 6 9 7 10 10 11 13 12 18 13 23 14 31 15 40 16 54 17 69 18 91 19 118 20 155 21 199 22 260 23 334 24 433