100468domain: NAppears in sequencesLeast number k such that k! in binary representation contains a run of exactly n consecutive ones.at n=35A094009Number of (n+1) X (2+1) 0..4 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).at n=9A235272