30449

Properties

Appears in sequences

• Expansion of 1/(1-x^3-x^4-x^5-x^6-x^7-x^8).at n=33A017821
• Denominators of continued fraction convergents to sqrt(473).at n=9A041903
• Balanced primes separated from the next lower and next higher prime neighbors by 18.at n=4A053073
• Primes of the form : (p-n)/(n+1)=prime and (n+1)*p+n=prime. n=4.at n=38A152294
• Sophie Germain primes in A154939.at n=25A154941
• Primes of the form ((p+1)/2)^2+((p-1)/2), where p is prime.at n=30A163419
• Primes of the form p^2 +3p + 1, where p is also a prime.at n=18A165944
• Primes of the form n^2-n-1 (for some n) such that p^2-p-1 is also prime.at n=20A237642
• Primes of form n^2 + 10000.at n=26A256838
• Numbers k such that 3*10^k - 97 is prime.at n=20A290577
• Balanced primes of order one ending in 9.at n=10A303095
• E.g.f.: exp(1 / (2 - sec(x)) - 1) (even powers only).at n=4A331612
• Primorial base emirps: prime numbers whose primorial base reversal is a different prime.at n=26A333425
• Lexicographically earliest sequence of primes whose partial products lie between noncomposite numbers.at n=39A359948
• Binomial transform of A111107.at n=10A384676
• Primes having only {0, 3, 4, 9} as digits.at n=38A386060
• Prime numbersat n=3288