21052

Appears in sequences

• n^3 - (n+2)^2.at n=28A153258
• Anagrexpo integers: integers N that exactly reproduce their set of digits when we form the set of exponentiation of pairs of adjacent digits, from left to right.at n=34A297627
• Numbers that can be written as the product of two divisors greater than 1 such that the number is contained in the string concatenation of the divisors.at n=31A355790
• Number of minimum dominating sets in the n-Goldberg graph.at n=13A382431
• a(n) is the largest number t such that there exist numbers i,j,k such that, for all m <= t, there exist integers x,y,z with x*i + y*j + z*k = m and |x|+|y|+|z| <= n.at n=37A383579