# A294990 (b-file synthesized from sequence entry) 1 1 2 3 3 4 4 6 5 22 6 31 7 201 8 265 9 340 10 388 11 396 12 561 13 1224 14 2841 15 3234 16 3538 17 8473 18 12061 19 29347 20 62926 21 146029