7452900

Appears in sequences

• a(n) = n^2 * (n+1)^2 * (n+2)^2 = 36*A001249(n-1).at n=13A099764
• Squares of Bernoulli number denominators A027642.at n=12A172282
• Squares of Bernoulli number denominators A027642.at n=24A172282
• Lexicographically first sequence of distinct positive squares, no two or more of which sum to a square.at n=15A306043
• The squares of squarefree numbers (A062503), ordered lexicographically according to their prime factors. a(n) = Product_{k in I} prime(k+1)^2, where I are the indices of nonzero binary digits in n = Sum_{k in I} 2^k.at n=47A334110
• Numbers having exactly five non-unitary prime factors.at n=1A338542