68992

Appears in sequences

• Number of labeled 2,3 cacti (triangular cacti with bridges).at n=6A091485
• Logarithm of triangular matrix A102220, which equals [2*I - A008459]^(-1).at n=41A102222
• Square root of weight enumerator of binary (16,256,6) nonlinear Nordstrom-Robinson code.at n=10A109737
• Numbers with prime factorization pq^2r^7.at n=27A190466
• Number of ways to reciprocally link elements of an n X 2 array either to themselves or to exactly two king-move neighbors.at n=7A220590
• T(n,k) = Number of ways to reciprocally link elements of an n X k array either to themselves or to exactly two king-move neighbors.at n=37A220595
• T(n,k) = Number of ways to reciprocally link elements of an n X k array either to themselves or to exactly two king-move neighbors.at n=43A220595
• Number of (n+1) X (3+1) 0..2 arrays with every 2 X 2 subblock diagonal minus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=6A253490
• Number of (7+1) X (n+1) 0..2 arrays with every 2 X 2 subblock diagonal minus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=2A253501
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 603", based on the 5-celled von Neumann neighborhood.at n=39A273173
• Numbers 4*k such that 1 is the last integer obtained when 4*k is successively divided by its divisors in increasing order.at n=41A329549
• Number of polygons formed when every pair of vertices of a regular n-gon are joined by an infinite line.at n=28A344857
• Number of polygons formed when every pair of vertices of a regular (2n-1)-gon are joined by an infinite line.at n=14A344866