# A222753 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 2 4 0 5 2 6 3 7 6 8 6 9 9 10 11 11 19 12 28 13 43 14 66 15 98 16 145 17 219 18 327 19 474 20 744 21 1125 22 1673 23 2481 24 3723 25 5600 26 8415 27 12630 28 18863 29 28395 30 42620 31 63907