1113688

Appears in sequences

• First of quintuples of consecutive happy numbers.at n=14A194355
• Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 0 1 3 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 0 1 3 6 or 7.at n=12A252189