# A277271 (b-file synthesized from sequence entry) 4 1 5 1 6 2 7 4 8 7 9 11 10 19 11 30 12 55 13 90 14 166 15 285 16 519 17 902 18 1656 19 2929 20 5424 21 9673 22 18012 23 32467 24 60981 25 110599 26 208445 27 381301 28 722552 29 1327869 30 2522994 31 4665786 32 8902311 33 16524759 34 31594853 35 58935171 36 113038371 37 211499060 38 406350261 39 763246536 40 1470080699