341011

Appears in sequences

• a(n)=(n^4-n^3-n^2-n)/2.at n=29A171129
• Number of length n+1 0..6 arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero.at n=5A250417
• Number of length 6+1 0..n arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero.at n=5A250423