login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A142795 Primes congruent to 43 mod 60. 2
43, 103, 163, 223, 283, 463, 523, 643, 823, 883, 1063, 1123, 1303, 1423, 1483, 1543, 1663, 1723, 1783, 2083, 2143, 2203, 2383, 2503, 2683, 2803, 3163, 3343, 3463, 3583, 3643, 3823, 3943, 4003, 4243, 4363, 4423, 4483, 4603, 4663, 4723, 4783, 4903, 5023, 5323 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

FORMULA

a(n) ~ 16n log n. - Charles R Greathouse IV, Jul 03 2016

MATHEMATICA

Select[Prime[Range[900]], MemberQ[{43}, Mod[#, 60]] &] (* Vincenzo Librandi, Sep 04 2012 *)

Select[Range[43, 5500, 60], PrimeQ] (* Harvey P. Dale, Nov 25 2012 *)

PROG

(MAGMA) [p: p in PrimesUpTo(6000) | p mod 60 eq 43 ]; // Vincenzo Librandi, Sep 04 2012

(PARI) is(n)=isprime(n) && n%60==43 \\ Charles R Greathouse IV, Jul 03 2016

CROSSREFS

Cf. A000040.

Sequence in context: A253952 A033227 A106888 * A023293 A115606 A194773

Adjacent sequences:  A142792 A142793 A142794 * A142796 A142797 A142798

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Jul 11 2008

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified December 7 17:29 EST 2016. Contains 278890 sequences.