# A111568 (b-file synthesized from sequence entry) 1 1 2 1 3 3 4 1 5 9 6 17 7 1 8 43 9 85 10 127 11 1 12 313 13 625 14 937 15 1249 16 1 17 3111 18 6221 19 9331 20 12441 21 15551 22 1 23 39217 24 78433 25 117649 26 156865 27 196081 28 235297 29 1 30 599187 31 1198373 32 1797559 33 2396745 34 2995931 35 3595117 36 4194303 37 1 38 10761681 39 21523361 40 32285041