223393domain: NAppears in sequencesNumbers k such that k and k^2 use only the digits 0, 2, 3, 4 and 9.at n=26A136886Row sums of triangle A144881 (S1hat(3)) and of array A144880 (M31hat(3)).at n=7A144882Number of length 3+3 0..n arrays with some disjoint pairs in every consecutive four terms having the same sum.at n=27A247535