28128

Appears in sequences

• a(n) = Fibonacci(n) - n^2.at n=23A014283
• When cubed gives number composed just of the digits 1, 2, 3, 4, 5.at n=22A061813
• Diagonal sums of number array A082110.at n=15A082114
• Number of (n+3) X (2+3) 0..3 white square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.at n=4A230943
• Number of (n+3)X(5+3) 0..3 white square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.at n=1A230946
• T(n,k)=Number of (n+3)X(k+3) 0..3 white square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.at n=16A230949
• T(n,k)=Number of (n+3)X(k+3) 0..3 white square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.at n=19A230949
• Number of (n+3)X(2+3) 0..3 black square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.at n=4A231020
• T(n,k)=Number of (n+3)X(k+3) 0..3 black square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.at n=16A231023
• T(n,k)=Number of (n+3)X(k+3) 0..3 black square subarrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero.at n=19A231023
• Sum of divisors of n and product of divisors of n are both perfect cubes.at n=5A244428
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 181", based on the 5-celled von Neumann neighborhood.at n=34A270628
• Convolution of A000203 and A000009.at n=33A277029
• Number of nX6 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=2A302806
• T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=30A302808
• Number of 3Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=5A302809
• Positive numbers for which the product of digits is equal to the power tower of digits (right-associative).at n=50A321990
• Least positive integer m relatively prime to n such that sigma(m*n) is a fourth power, where sigma(k) is the sum of the divisors of k.at n=40A334353
• G.f. A(x) satisfies A(x)/(1 + A(x)) = -A(x^3)/A(-x^2).at n=20A389429
• Concatenations x||1||x for numbers x.at n=27A392225