Pure 2-complexes on an infinite set of nodes with n multiple 2-simplexes. Also n-rowed binary matrices with all row sums 3, up to row and column permutation.
A050913
Pure 2-complexes on an infinite set of nodes with n multiple 2-simplexes. Also n-rowed binary matrices with all row sums 3, up to row and column permutation.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =16a(4) =93a(5) =652a(6) =6369a(7) =79568a(8) =1256425a(9) =24058631a(10) =543204998a(11) =14138916124a(12) =417362929209
External references
- oeis: A050913