4343057

Properties

Appears in sequences

• Primes of the form 81*k^2 - 72*k + 17.at n=21A154276
• a(n) = 6561*n^2 - 3564*n + 485.at n=26A156774
• Primes of the form n^2+1 such that (n+2)^2+1 is also prime.at n=25A206328
• Terms of A002496 that are the average of two distinct terms of A002496.at n=14A327741
• Prime numbersat n=305642