1342879domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(189).at n=13A041351a(n) = 110*a(n-1) - a(n-2) for n >= 2, a(0)=1, a(1)=111.at n=3A298677Positive integers of the form x^4 - y^4 that have exactly 4 divisors.at n=11A334802