# A116975 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 2 5 3 6 5 7 7 8 10 9 15 10 23 11 35 12 52 13 77 14 115 15 173 16 260 17 389 18 581 19 869 20 1302 21 1951 22 2921 23 4371 24 6542 25 9795 26 14667 27 21959 28 32872 29 49209 30 73671 31 110297 32 165128 33 247209 34 370089 35 554057 36 829482 37 1241819 38 1859117 39 2783263 40 4166802