845358
domain: N
Appears in sequences
- Number of length n+1 0..7 arrays with the sum of the minimum of each adjacent pair multiplied by some arrangement of +-1 equal to zero.at n=5A250418
- 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=6A250423
- a(n) = Sum_{k=1..n-1} sigma_3(k)*sigma_5(n-k).at n=8A279888