# A053521 (b-file synthesized from sequence entry) 1 1 2 1 3 3 4 5 5 9 6 15 7 25 8 41 9 67 10 109 11 177 12 287 13 465 14 753 15 1219 16 1973 17 3193 18 5167 19 8361 20 6765 21 1891 22 8657 23 5275 24 6967 25 3061 26 5015 27 8077 28 6547 29 7313 30 6931 31 7123 32 1757 33 8881 34 665 35 9547 36 5107 37 229 38 5337 39 5567 40 5453 41 5511 42 5483 43 2749 44 8233 45 1373 46 9607