311169600

Appears in sequences

• Number of (n+2)X7 binary arrays avoiding patterns 001 and 011 in rows and columns.at n=9A202097
• Number of (n+1)X(6+1) 0..1 arrays with nondecreasing sum of every two consecutive values in every row and column.at n=10A250430
• Numbers n such that phi(sigma(n))/n > phi(sigma(m))/m for all m < n, where sigma is the sum of divisors function (A000203) and phi is Euler's totient function (A000010).at n=16A293708
• Numbers k where the ratios A099378(k)/k reach a record value.at n=18A348847