43338

Appears in sequences

• Numbers k such that binomial(2k,k)+1 is prime.at n=45A066699
• Records in A104883.at n=27A104884
• Expansion of x/((1 - x - x^4)*(1 - x)^2).at n=28A145131
• a(n) = s(n) - prime(n+1)+3, where s(n) = smallest even number x > prime(n) such that the difference x-p is composite for all primes p <= prime(n).at n=43A298736