331780

Appears in sequences

• a(n) = n^4+4 = (n^2-2*n+2)*(n^2+2*n+2) = ((n-1)^2+1)*((n+1)^2+1).at n=24A057781
• a(n) = 16*n^4 + 4.at n=12A222655
• Maximum water retention of a number square of order n.at n=29A261347