92263

Appears in sequences

• Number of ways to halve an n X n chessboard.at n=7A003155
• a(n) = T(n, 2*n-6), T given by A027960.at n=18A027968
• Number of partitions of 2n X 2n checkerboard into two congruent edgewise-connected sets, counting partitions equal under rotation or reflection only once.at n=3A113900
• Erroneous version of A113900.at n=3A271501
• Number of vertices in a regular drawing of the complete bipartite graph K_{n,n}.at n=29A331755
• Absolute discriminants of imaginary quadratic number fields with elementary bicyclic 5-class group (5,5).at n=33A359871