998432

Appears in sequences

• Number of 2 X n 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3 and at least one element with value (x(i,j)-1) mod 3, and upper left element zero.at n=12A231038
• a(n) is the greatest integer k such that k/Fibonacci(n) < Pi.at n=28A293677