32860

Appears in sequences

• Number of ways to partition n elements into pie slices of different sizes allowing the pie to be turned over.at n=38A032228
• Number of degree-n permutations of order dividing 10.at n=9A053500
• Triangle T(n,k) of number of digraphs with a source and a sink on n unlabeled nodes and k arcs, k=0..n*(n-1).at n=55A057278
• G.f.: (1+x)/Product_{m>0} (1 - x^m).at n=36A084376
• Number of nX5 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 0 1 1 vertically.at n=6A208010
• Number of 7Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 0 1 1 vertically.at n=4A208017
• Expansion of e.g.f.: exp( Sum_{n>=0} x^(n^2+1)/(n^2+1) ).at n=9A214724
• Number of n X 2 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..2 n X 2 array.at n=30A219680
• a(n) = n*(n+1)*(7*n+2)/6.at n=30A255211
• The sum of the necessary diagonal movements from each square unit of an n X n+1 rectangle to reach any of the corners of the rectangle.at n=38A279034