549081

Appears in sequences

• Sum of first n cubes; or n-th triangular number squared.at n=38A000537
• Squares of odd triangular numbers.at n=19A014736
• Smallest square divisible by the n-th triangular number (n(n+1)/2).at n=37A085037
• Squares for which both the sum of the digits and the product of the digits are cubes.at n=29A117687
• Squares that become a prime number when prefixed with a 2.at n=32A167717
• v(n+1)/v(n), where v=A203748.at n=4A203749
• Sum of the cubes of the parts in the partitions of n into two parts.at n=38A294270
• Sum of the cubes of the parts in the partitions of n into two distinct parts.at n=38A294287
• a(n) is the smallest k such that A008477(k) = a(n-1) with a(1) = 144.at n=4A343295
• Odd numbers k such that k divides A163511(k).at n=33A364495
• a(n) is the smallest integer k > n such that sqrt(1/n + 1/k) is a rational number; or 0 if no such k exists.at n=18A379815