252064

Appears in sequences

• Number of nX1 arrays of the minimum or maximum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX1 array.at n=8A220106
• Expansion of (1-2*x^2) / ( 1-2*x-4*x^2+6*x^3 ).at n=13A271895
• a(n) = 4^n - 2^(n-6)*15*binomial(n,6).at n=9A384536