143780

Appears in sequences

• a(n) = 7*A000330(n).at n=39A169607
• Number of (n+1) X (n+1) 0..2 arrays with the maximum plus the lower median minus the upper median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=2A237464
• Number of (n+1)X(3+1) 0..2 arrays with the maximum plus the lower median minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=2A237467
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the maximum plus the lower median minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=12A237472
• Numbers m such that m | A000385(m-1) = Sum_{k=1..m-1} sigma(k) * sigma(m-k).at n=37A326608