639387

Appears in sequences

• Numbers k such that k and k+1 have the same sum of non-unitary divisors (A048146), for A048146(k) > 0.at n=11A064115
• Number of (n+1) X (6+1) 0..1 arrays with every 2 X 2 subblock diagonal minimum minus antidiagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal maximum nondecreasing vertically.at n=12A253229