94384

Appears in sequences

• Number of inequivalent ways (mod D_4) a pair of checkers can be placed on an n X n board.at n=34A014409
• a(n) = T(n,n), array T given by A048505.at n=9A048515
• Number of reduced words of length n in the Weyl group D_8.at n=17A162211
• Number of n X 3 binary arrays with all 1's connected and a path of 1's from top row to bottom row.at n=6A163029
• Number of n X 7 binary arrays with all 1s connected and a path of 1s from left column to right column.at n=2A163042
• a(n) = T(9,n), array T given by A048505.at n=9A195855
• E.g.f. A(x) satisfies A'(x) = 1 + A(-2 * log(1-x)).at n=5A355209
• Array read by antidiagonals: T(m,n) is the number of m X n binary arrays with all 1's connected and a path of 1's from top row to bottom row.at n=42A359574