438516

Appears in sequences

• Refactorable triangular numbers.at n=42A272524
• Numbers that have exactly 8 representations as a k-gonal number, P(m,k) = m*((k-2)*m - (k-4))/2, k and m >= 3.at n=27A321158
• Triangular numbers such that the three numbers before it and the three numbers after it are squarefree.at n=23A374393