75531

Appears in sequences

• Third entry in row n of triangle in A169950.at n=28A169953
• Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 2 X n array.at n=16A219940
• a(n) = arrange digits of concatenation of divisors of n (A037278, A176558) in decreasing order (in base 10).at n=34A243360
• G.f. A(x) satisfies: A(x)^2 + A(x) - 1 = Sum_{n>=0} binomial(3*n,n)^2 * x^n.at n=4A322189