67522

Appears in sequences

• Riordan array (f(x), x*f(x)) where f(x) is the g.f. of A033321.at n=56A171486
• Number of nX2 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 nX2 array.at n=11A219933