3587103domain: NAppears in sequencesNumber of non-equivalent (mod D_4) binary n X n matrices with 4 pairwise nonadjacent 1's.at n=11A239576One of the four successive approximations up to 5^n for the 5-adic integer 6^(1/4). This is the 3 (mod 5) case (except for n = 0).at n=10A325486