56349domain: NAppears in sequencesNumber of equivalence classes of n X n matrices over {0,1} with rows and columns summing to 3, where equivalence is defined by row and column permutations.at n=11A000512a(n) = 46*n^2 - 1.at n=34A158634A sequence related to Le Corbusier's Modulor: round(phi^(-13 + n)*175).at n=25A227572