89640

Appears in sequences

• Number of acute triangles, distinct up to congruence, on an n X n grid (or geoboard).at n=35A190021
• Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,1,0,3,4 for x=0,1,2,3,4.at n=7A196432
• T(n,k) = Number of n X k 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,1,0,3,4 for x=0,1,2,3,4.at n=58A196436
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,1,3,2,0 for x=0,1,2,3,4.at n=58A197199
• Smallest number k such that prime(n) is the n-th divisor of k.at n=21A221647
• Numbers k such that (86*10^k - 311)/9 is prime.at n=23A293911
• Triangle read by rows. Number T(n, k) of partitions of the multiset [1, 1, 1, 2, 2, 2, ..., n, n, n] into k nonempty submultisets, for 1 <= k <= 3n.at n=39A358721