73409

Appears in sequences

• Numbers n with the property that n^2 contains a sequence of four or more consecutive 8's.at n=35A301938
• Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 4, 7 or 8 king-move adjacent elements, with upper left element zero.at n=7A316551
• Numbers k for which A354102(k) = A354102(sigma(k)).at n=43A354106