9901766875domain: NAppears in sequencesDenominators of coefficients of polynomials arising from Chebyshev quadrature.at n=18A002680Denominator of Laguerre(n, -12).at n=21A160555Denominator of Laguerre(n, -6).at n=21A160608Denominator of Laguerre(n, 12).at n=21A160672