19467

Appears in sequences

• Differences between two positive cubes in exactly 2 ways.at n=12A014440
• Difference between two positive cubes in more than one way.at n=13A034179
• Gaps of 9 in sequence A038593 (lower terms).at n=17A038657
• Numbers which contain exactly the same digits (with the correct multiplicity) in 3 different smaller bases.at n=32A059828
• The Wiener index of the Dutch windmill graph D(6,n) (n>=1).at n=20A180578
• Number of distinct solutions of sum{i=1..7}(x(2i-1)*x(2i)) = 0 (mod n), with x() only in 1..n-1.at n=5A180778
• T(n,k)=number of distinct solutions of sum{i=1..k}(x(2i-1)*x(2i)) = 0 (mod n), with x() only in 1..n-1.at n=71A180782
• Monotonic ordering of nonnegative differences 3^i-6^j, for 40>= i>=0, j>=0.at n=30A192151
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 437", based on the 5-celled von Neumann neighborhood.at n=29A272155
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 785", based on the 5-celled von Neumann neighborhood.at n=27A273559
• Let p = n-th prime == 3 mod 8; a(n) = sum of quadratic residues mod p that are > p/2.at n=17A282722
• Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=3A303622
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=39A303624
• Number of 4Xn 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=5A303626
• Numbers n for which A325565(n) < A325568(n).at n=45A325569