A282321 Lesser of twin primes congruent to 11 (mod 30).

11, 41, 71, 101, 191, 281, 311, 431, 461, 521, 641, 821, 881, 1031, 1061, 1091, 1151, 1301, 1451, 1481, 1721, 1871, 1931, 2081, 2111, 2141, 2381, 2591, 2711, 2801, 3251, 3371, 3461, 3581, 3671, 3821, 3851, 4001, 4091, 4241, 4271, 4421, 4481, 4721, 4931, 5021

Offset

1,1

Comments

The union of [this sequence and A282322] is A132241.

The union of [{3, 5}, this sequence, A282323 and A060229] is the lesser of twin primes sequence A001359.

The union of [{3, 5, 7}, A282321 to A282326] is the twin primes sequence A001097.

Links

Chai Wah Wu, Table of n, a(n) for n = 1..10000

Maple

a:={}:
for i from 1 to 1229 do
  if isprime(ithprime(i)+2) and ithprime(i) mod 30 = 11 then
    a:={op(a), ithprime(i)}:
  fi:
od:
a;

Prog

(Magma) [p: p in PrimesUpTo(5000) | IsPrime(p+2) and p mod 30 eq 11 ]; // Vincenzo Librandi, Feb 12 2017
(PARI) list(lim)=my(v=List(), p=2); forprime(q=3, lim+2, if(q-p==2 && q%30==13, listput(v, p)); p=q); Vec(v) \\ Charles R Greathouse IV, Feb 14 2017

Crossrefs

Subset of A001097, A001359, A132232, A132241 and A132247.

Cf. A006512, A232880, A232881, A232882, A282322, A282323, A060229, A060229, A282326.

Sequence in context: A238713 A132232 A331555 * A031389 A178495 A309254

Adjacent sequences: A282318 A282319 A282320 * A282322 A282323 A282324

Keyword

nonn

Author

Martin Renner, Feb 11 2017

Status

approved