136946

Appears in sequences

• Number of paths of length n-1 a king can take from one side of an n X n chessboard to the opposite side.at n=9A081113
• Number of base 10 n-digit numbers with adjacent digits differing by one or less.at n=9A126364
• Number of binary strings of length n with no substrings equal to 0011 0101 or 1100.at n=22A164505
• Triangle I(m,n) read by rows: number of perfect lattice paths on the m*n board.at n=54A296449