813616domain: NAppears in sequencesTriangle of Gaussian binomial coefficients [ n,k ] for q = 15.at n=22A022179Triangle of Gaussian binomial coefficients [ n,k ] for q = 15.at n=26A022179a(n) = 111111 in base n.at n=14A053700Generalized repunits in base 15.at n=5A135518