31869902domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(7).at n=26A041009Expansion of (1+31*x-2*x^2-2*x^3)/(1-16*x^2+x^4).at n=11A077397y-values in the solution to x^2 - 7*y^2 = -3.at n=13A202638Denominators of the other-side convergents to sqrt(7).at n=25A259596