# A259298 (b-file synthesized from sequence entry) 1 0 2 1 3 2 4 11 5 22 6 40 7 79 8 145 9 152 10 244 11 271 12 1471 13 2516 14 3460 15 4130 16 4550 17 7534 18 12973 19 14051 20 14176 21 16093 22 16952 23 28565