81524

Appears in sequences

• Numbers n such that the sum of the prime factors of n equals the product of the digits of n.at n=39A067173
• A113695(n-1) concatenated with A113695(n+1) divided by A113695(n).at n=5A113696
• Number of (n+1)X(n+1) 0..2 arrays with the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=2A238038
• Number of (n+1)X(3+1) 0..2 arrays with the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=2A238041
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=12A238046
• Irregular triangle read by rows: T(n,k) is the coefficient of x^k in the domination polynomial of the n X n king graph (n>=1, A075561(n)<=k<=n^2).at n=30A378420