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A132232 Primes congruent to 11 (mod 30). 13
11, 41, 71, 101, 131, 191, 251, 281, 311, 401, 431, 461, 491, 521, 641, 701, 761, 821, 881, 911, 941, 971, 1031, 1061, 1091, 1151, 1181, 1301, 1361, 1451, 1481, 1511, 1571, 1601, 1721, 1811, 1871, 1901, 1931, 2081, 2111, 2141, 2351, 2381, 2411, 2441, 2531 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Also primes congruent to 11 (mod 15). - Paolo P. Lava, Feb 26 2019

Primes ending in 1 with (SOD-1)/3 non-integer where SOD is sum of digits. - Ki Punches

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

C. K. Caldwell, The Prime Pages.

Omar E. Pol, Determinacion geometrica de los numeros primos y perfectos.

FORMULA

From Ray Chandler, Apr 07 2009: (Start)

a(n) = A158614(n)*30 + 11.

Intersection of A030430 and A007528. (End)

MATHEMATICA

Select[Prime[Range[1000]], MemberQ[{11}, Mod[#, 30]]&] (* Vincenzo Librandi, Aug 14 2012 *)

Select[Range[11, 2600, 30], PrimeQ] (* Harvey P. Dale, Mar 07 2020 *)

PROG

(MAGMA) [p: p in PrimesUpTo(3000) | p mod 30 eq 11 ]; // Vincenzo Librandi, Aug 14 2012

(PARI) is(n)=isprime(n) && n%30==11 \\ Charles R Greathouse IV, Jul 01 2016

CROSSREFS

Cf. A000040, A068231, A039949.

Cf. A132230, A132231, A132233, A132234, A132235, A132236.

Sequence in context: A109982 A128467 A238713 * A331555 A282321 A031389

Adjacent sequences:  A132229 A132230 A132231 * A132233 A132234 A132235

KEYWORD

nonn,easy

AUTHOR

Omar E. Pol, Aug 15 2007

EXTENSIONS

Extended by Ray Chandler, Apr 07 2009

STATUS

approved

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Last modified November 27 04:59 EST 2021. Contains 349346 sequences. (Running on oeis4.)