662976

Appears in sequences

• a(n) = n^2*(2*n^2 - 1); also Sum_{k=0..n-1} (2k+1)^3.at n=24A002593
• Triangular numbers which are 9-almost primes.at n=15A076583
• Smallest triangular number with exactly n divisors, or 0 if no such number exists.at n=41A081978
• Triangular numbers that are the product of a square number and a prime number.at n=33A253653
• a(n) is the smallest triangular number T(k) such that both it and its successor T(k+1) have exactly 2n divisors, or 0 if no such pair of consecutive triangular numbers exists.at n=20A319036