# A222028 (b-file synthesized from sequence entry) 1 2 2 4 3 8 4 15 5 28 6 41 7 66 8 92 9 132 10 175 11 232 12 287 13 360 14 475 15 570 16 727 17 852 18 1009 19 1220 20 1397 21 1646 22 1891 23 2154 24 2441 25 2772 26 3121 27 3508 28 3891 29 4334 30 4791 31 5282 32 5797 33 6376 34 6983 35 7618 36 8285 37 8984 38 9713 39 10500 40 11319 41 12182 42 13093 43 14028 44 15023 45 16064 46 17157 47 18276 48 19447 49 20680 50 21953