433381

Appears in sequences

• a(n) = n^4/2 - n^3 + 3*n^2/2 - n + 1 = (n^2 + 1)*(n^2 - 2*n + 2)/2.at n=31A058919
• Centered square numbers which are products of four distinct primes (or tetraprimes).at n=6A370795