A083577 Primes in A003154.

13, 37, 73, 181, 337, 433, 541, 661, 937, 1093, 2053, 2281, 2521, 3037, 3313, 5581, 5953, 6337, 6733, 7561, 7993, 8893, 10333, 10837, 11353, 12421, 12973, 13537, 15913, 18481, 20533, 21961, 25741, 27337, 32413, 33301, 36037, 36973, 42841

Offset

1,1

Comments

Except for the first 3 terms, a subsequence of A057199 (see comment in A057199). - Chai Wah Wu, Sep 16 2019

All terms are primes of the form 4*k + 1 (A002144), because terms of A003154 are of the form 12*k + 1. - John Elias, Jan 25 2021

Links

Zak Seidov, Table of n, a(n) for n = 1..1000

Mathematica

Select[Array[6*#*(#-1)+1 &, 100], PrimeQ] (* Paolo Xausa, Mar 05 2024 *)

Prog

(PARI) for(n=1, 150, s=6*n*(n-1)+1; if(isprime(s), print1(s", ")))

Crossrefs

Cf. A002144, A003154.

Sequence in context: A113601 A158864 A003154 * A155285 A155262 A155301

Adjacent sequences: A083574 A083575 A083576 * A083578 A083579 A083580

Keyword

easy,nonn

Author

Jason Earls, Jun 13 2003

Status

approved