77792400

Appears in sequences

• Number of (n+2)X8 binary arrays avoiding patterns 001 and 011 in rows and columns.at n=6A202098
• Number of (n+2)X9 binary arrays avoiding patterns 001 and 011 in rows and columns.at n=5A202099
• Number of n X 4 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 1 1 vertically.at n=26A209220
• Number of (n+1)X(7+1) 0..1 arrays with nondecreasing sum of every two consecutive values in every row and column.at n=7A250431
• 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=14A293708
• A number k belongs to the sequence if k = 1 or k is divisible by its prime shadow A181819(k) and the quotient k/A181819(k) also belongs to the sequence.at n=11A325756
• Numbers k where the ratios A099378(k)/k reach a record value.at n=17A348847