247759

Properties

Appears in sequences

• Number of 5 X n binary arrays with a path of adjacent 1's from top row to bottom row.at n=3A069363
• Number of n X 4 binary arrays with a path of adjacent 1's from top row to bottom row.at n=4A069379
• Primes p with p-1, p+1, prime(p)-1 and prime(p)+1 all practical.at n=32A257924
• Primes p such that (p*s) mod q and (p*s) mod r are a pair of twin primes, where q,r,s are the next primes after p.at n=37A338751
• Array read by antidiagonals: T(m,n) is the number of m X n binary arrays with a path of adjacent 1's from top row to bottom row.at n=32A359576
• Array read by antidiagonals: T(m, n) is the number of m X n binary arrays with a path of adjacent 1's from top row to bottom row using only left, right, and downward steps.at n=32A369892
• Prime numbersat n=21855