26323domain: NAppears in sequencesNumbers k such that k and k^2 use only the digits 0, 2, 3, 6 and 9.at n=18A136894Expansion of x/((1 - x - x^4)*(1 - x)^8).at n=10A145137a(n) = n^3 - 3*(n+3)^2.at n=31A153260Number of days after Jan 01 1000 such that the date written in the format DDMMYYYY is palindromic.at n=24A210885