Number of primes between the successive central binomial coefficients; i.e., the number of primes in the interval (C(2n,n), C(2n+2,n+1)], with inclusion on the right.

A117758

Number of primes between the successive central binomial coefficients; i.e., the number of primes in the interval (C(2n,n), C(2n+2,n+1)], with inclusion on the right.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =11a(4) =35a(5) =103a(6) =323a(7) =1052a(8) =3469a(9) =11726a(10) =40234a(11) =139955a(12) =492505a(13) =1750900a(14) =6275491a(15) =22662455a(16) =82364564a(17) =301058002a(18) =1106006504a(19) =4081585024a(20) =15124027686a(21) =56247438994a(22) =209889216294a(23) =785601467368

External references