290306

Appears in sequences

• a(n) = 1^2 + prime(1)^2 + prime(2)^2 + ... + prime(n)^2.at n=38A024525
• Number of n X n arrays of squares of integers with every (n-2) X (n-2) subblock summing to 6 and every element equal to at least one neighbor.at n=3A146199