11179326964domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(692).at n=20A042330a(n) = 13*a(n-1) + a(n-2), starting with a(0) = 2 and a(1) = 13.at n=9A088316Continued cotangent recurrence a(n+1)=a(n)^3+3*a(n) with a(1)=13.at n=2A145187a(n) = n*(n^2 + 3)*(n^6 + 6*n^4 + 9*n^2 + 3).at n=13A261574