256000000

Appears in sequences

• a(n)=2*a(n-1), except every tenth time you multiply by 1000/512 instead of by 2.at n=28A051535
• Number of (n+1)X(1+1) 0..2 arrays with the maximum plus the lower median minus the upper median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=10A236990