86743

Properties

Appears in sequences

• Primes which yield a prime whenever a 1 is inserted anywhere in them (including at the beginning or end).at n=32A069246
• Primes of the form 2*n^2 + 42*n + 19.at n=24A221903
• Number of (n+2)X(3+2) 0..2 arrays with each row and column divisible by 13, read as a base-3 number with top and left being the most significant digits.at n=4A263336
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each row and column divisible by 13, read as a base-3 number with top and left being the most significant digits.at n=23A263337
• T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with each row and column divisible by 13, read as a base-3 number with top and left being the most significant digits.at n=25A263337
• Prime numbersat n=8430