304384

Appears in sequences

• On a 3 X 3 board, number of n-move routes of chess king ending in a given side square.at n=8A086347
• a(n) = Sum_{k=0..floor(n/2)} binomial(n-k, k-1)*4^(n-k-1).at n=10A099582
• Array read by antidiagonals: T(m, n) is the number of simple paths from corner to diagonally opposite corner on an m X n grid with king moves allowed.at n=46A329118
• Array read by antidiagonals: T(m, n) is the number of simple paths from corner to diagonally opposite corner on an m X n grid with king moves allowed.at n=53A329118