540300

Appears in sequences

• First differences of (n+1)^5-n^5.at n=29A068236
• a(n) = n^2*(2*n^2 + 1)/3.at n=30A071270
• a(1)=1; thereafter, a(n+1) = 20*n^3 + 10*n.at n=30A101098