a(n) = sqrt(A370259(2*n+1)).A370260a(n) = sqrt(A370259(2*n+1)).Terms a(0) =1a(1) =3a(2) =31a(3) =617a(4) =18529a(5) =748859a(6) =38149567a(7) =2348482961a(8) =169641143873External referencesoeis: A370260