# A046201 (b-file synthesized from sequence entry) 1 1 2 3 3 5 4 7 5 105 6 9 7 11 8 495 9 13 10 6435 11 15 12 1365 13 15015 14 45045 15 17 16 19 17 2907 18 21 19 101745 20 23 21 5313 22 168245 23 1716099 24 25 25 18386775 26 27 27 8775 28 42181425 29 143416845 30 29 31 593775 32 90135045 33 882230895 34 31 35 13485 36 849555 37 18407025 38 181440675