28926

Appears in sequences

• Values of n such that N=(an+1)(bn+1)(cn+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,35.at n=13A064254
• Numbers n such that (n + prime(n)), (n+1 + prime(n+1)), (n+2 + prime(n+2)) and (n+3 + prime(n+3)) are divisible by 5.at n=18A107582
• Number of ordered unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 2.at n=12A244531
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 243", based on the 5-celled von Neumann neighborhood.at n=33A271002
• Expansion of Product_{i>=1, j>=1} (1 + x^(i*j)) * (1 + x^(2*i*j)).at n=23A329467
• a(n) = n! * Sum_{k=0..n} k^4 / k!.at n=6A337002
• Square array T(n,k), n>=0, k>=0, read by antidiagonals, where T(n,k) = n! * Sum_{j=0..n} j^k/j!.at n=61A337085