38236

Appears in sequences

• Number of (n+1)X(2+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 12 and no adjacent elements equal.at n=1A234407
• T(n,k)=Number of (n+1)X(k+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 12 and no adjacent elements equal.at n=4A234412
• a(n) = 2*(3*n+1)*(9*n+8).at n=26A304506
• a(n) = n^2 * prime(n).at n=21A356868
• Expansion of (1/x) * Series_Reversion( x * (1-x)^3 * (1-x^3)^3 ).at n=6A369301
• a(n) = number of primes < n^4.at n=26A380331
• a(n) is the largest integer k such that there is an integer m with exactly n nonunitary prime factors and m + A005117(i) is squarefree for 1 <= i <= k.at n=25A390138
• One-fourth of the total number of edges in the graph (see A392172) formed when n points are placed in general position on each edge of a square and a chord is drawn from each point to the 3*n points on the other three sides.at n=10A392174