642581

Properties

Appears in sequences

• Triangle T(n,k) (1 <= k <= n) read by rows: T(n,k) is the number of permutations of [1..n] with k components.at n=46A059438
• A diagonal of A059438.at n=10A059439
• Triangle read by rows. T(n, k) = A059438(n, k) for 1 <= k <= n, and T(n, 0) = n^0.at n=57A085771
• Numbers k such that 2^(k-1) == 1 + b*k (mod k^2), where b divides k-1.at n=25A186645
• Triangle read by rows: T(n,k) (n>=1, 0<=k<n) is the number of permutations of n elements with n-k elements in its connectivity set.at n=53A263484
• Prime numbersat n=52262