1001440domain: NAppears in sequencesPositive numbers k such that k and 4*k are anagrams in base 6 (written in base 6).at n=26A023066Number of (n+2)X(5+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00001001.at n=10A260291