379680

Appears in sequences

• a(n) = n*(n^4-1)/2.at n=13A027484
• Exponential Riordan array (log(1/(1-x)), x*A005043(x)).at n=38A185815
• Positive integers that are square roots of products a*(a+d)*(a+2*d) with coprime a > 0, d >= 0.at n=27A284876