A246670 a(n) = prime(Catalan(n)).

2, 2, 3, 11, 43, 181, 743, 2971, 11933, 47129, 185569, 729947, 2868191, 11265517, 44230699, 173632489, 681785497, 2677741049, 10520707411, 41351166313, 162595828093, 639609298351, 2517120334919, 9910036308649, 39032346154387, 153796890460823, 606231385064699

Offset

0,1

Links

Amiram Eldar, Table of n, a(n) for n = 0..33

Mathematica

Table[Prime[CatalanNumber[n]], {n, 0, 20}]

Prog

(Magma) [NthPrime(Catalan(n)): n in [0..17]];

Crossrefs

Cf. A000040, A000108.

Sequence in context: A143933 A284708 A265783 * A075095 A178343 A156136

Adjacent sequences: A246667 A246668 A246669 * A246671 A246672 A246673

Keyword

nonn

Author

Vincenzo Librandi, Sep 01 2014

Extensions

a(26) from Amiram Eldar, Sep 25 2025

Status

approved