306142

Appears in sequences

• Number of (n+1) X 2 0..2 arrays with rows and columns in nondecreasing order and with no 2 X 2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=15A184073
• Denominators of r-Egyptian fraction expansion for 1/e, where r(k) = 1/Fibonacci(k+1).at n=3A270401