104942

Appears in sequences

• Pisot sequence T(4,9), a(n) = floor(a(n-1)^2/a(n-2)).at n=13A019492
• Numbers k such that 8*10^k + R_k is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=14A056722
• Number of length-4 0..n arrays with no repeated value differing from the previous repeated value by one.at n=16A269495
• Triangle read by rows. Number T(n, k) of partitions of the multiset [1, 1, 1, 1, 2, 2, 2, 2, ..., n, n, n, n] into k nonempty subsets, for 4 <= k <= 4n.at n=35A360038