45325

Appears in sequences

• Number of n-step mappings with 4 inputs.at n=25A005945
• a(n) = (2*n+1)*(3*n+1)*(4*n+1).at n=12A033591
• Numbers n which when converted to base 6, reversed and converted back to base 10 yield a number m such that n mod m = 0. Cases which are trivial or result in digit loss are excluded.at n=5A091080
• Inverse modulo 2 binomial transform of 6^n.at n=6A100739
• Number of n X n binary arrays with all ones connected in a 3X2 elbow 1,1 1,2 1,3 2,3 in any orientation.at n=5A145943
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected in a 3X2 elbow 1,1 1,2 1,3 2,3 in any orientation.at n=12A145945
• Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected in a 3X2 elbow 1,1 1,2 1,3 2,3 in any orientation.at n=13A145945
• a(n) = (n-1)^2*(n+1).at n=36A152618
• Numbers k such that (6*k+1)*(12*k+1)*(18*k+1) is a Carmichael number which is the product of four prime numbers.at n=26A221743
• Number of subsets of {1,2,...,n-8} without differences equal to 2, 4, 6 or 8.at n=43A224811
• a(n) = Product_{i=1..n} (4^i - 3^i).at n=3A269576
• G.f. A(x) satisfies: Sum_{n>=0} x^n * ( 1/(1-x)^n - A(x) )^n = 1.at n=10A319467
• Abelian orders m for which there exist at least 4 groups of order m.at n=16A350323