89400
domain: N
Appears in sequences
- Number of 4Xn 0..1 arrays with every element equal to 0, 1, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=8A302879
- a(n) = 144*n^2 - 24*n (n>=1).at n=24A305072
- Number of permutations of [n] with no fixed points where the maximal displacement of an element equals two.at n=18A321048
- Numbers k such that s(k) = 3*k, where s(k) is the sum of divisors of k that have a square factor (A162296).at n=3A357493