87328
domain: N
Appears in sequences
- a(n) = n*(8*n^2 - 5)/3.at n=32A063523
- Number of n X n arrays of squares of integers summing to 4 with every element equal to at least one neighbor.at n=13A146089
- Number of length n+2 0..7 arrays with the sum of the maximum minus the median of adjacent triples multiplied by some arrangement of +-1 equal to zero.at n=3A251934
- Number of length 4+2 0..n arrays with the sum of the maximum minus the median of adjacent triples multiplied by some arrangement of +-1 equal to zero.at n=6A251938
- Number of permutations sigma of {1,2,...,n} such that sigma(i) divides i or i divides sigma(i) for 1 <= i <= n.at n=16A320843