305256

Appears in sequences

• Least k such that A052343(k)=n.at n=14A052345
• Smallest number which is the sum of two positive triangular numbers in exactly n different ways.at n=14A052346
• Largest x such that 1/x + 1/y + 1/z = 1/n.at n=22A082986
• a(n) = n*(n+1)*(n*(n+1)+1).at n=24A169938
• a(n) = n^4 + 6n^3 + 14n^2 + 15n + 6.at n=22A176780
• Smallest number that can be written in exactly n ways as sum of two quarter-squares.at n=30A240952
• a(n) is the smallest nonnegative integer that can be written as a sum of two distinct nonzero triangular numbers in exactly n ways or -1 if no such integer exists.at n=13A342326