36954

Appears in sequences

• Number of ways to arrange n non-attacking kings on an n X n board, with 2 sides identified to form a cylinder, with 1 in each row and column.at n=8A002493
• Number of irreducible representations of symmetric group S_n for which every matrix has determinant 1.at n=39A045923
• a(n) = n * (6*n^2 + 6*n + 1).at n=17A094421
• Number of isomorphism classes of simply embedded (i.e., loop-free and without parallel edges bounding a disk) quadrangulations of RP^2 of minimum degree 3 with n nodes and n-1 faces.at n=12A187013
• Number of partitions p of n such that the number of parts having multiplicity 1 is a part or max(p) - min(p) is a part.at n=42A241451
• Number of nX7 0..2 arrays with no element equal to more than one of its king-move neighbors and with new values introduced in order 0 sequentially upwards.at n=12A280858
• Triangle read by rows: T(n,k) is the number of permutations of k elements from [1..n] where adjacent values cannot be consecutive modulo n.at n=54A338838