5489037036domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(148).at n=8A041270a(n) = 12*a(n-1) + a(n-2), with a(0) = 2 and a(1) = 12.at n=9A086928Continued cotangent recurrence a(n+1)=a(n)^3+3*a(n) and a(1)=12.at n=2A145186a(n) = n*(n^2 + 3)*(n^6 + 6*n^4 + 9*n^2 + 3).at n=12A261574