1003444domain: NAppears in sequencesPositive numbers k such that k and 4*k are anagrams in base 5 (written in base 5).at n=27A023063Number of n X 5 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=22A207166