# A087234 (b-file synthesized from sequence entry) 1 2 2 10 3 105 4 1155 5 36465 6 969969 7 37182145 8 1078282205 9 39896441585 10 2668861960765 11 183330286997165 12 14415008697720995 13 775932344695001065 14 45780008337005062835 15 3909612711980232366109 16 261944051702675568529303 17 18598027670889965365580513