90513
domain: N
Appears in sequences
- Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=2, r=3, I={-1,1}.at n=22A080005
- Number of nX4 0..1 arrays with every element unequal to 0, 1, 3, 4 or 7 king-move adjacent elements, with upper left element zero.at n=13A304851
- One-third of the total number of edges formed after n points have been placed in general position on each edge of a triangle (as in A365929).at n=16A389626