This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A173059 #34 Jan 31 2025 11:12:05 %S A173059 0,1,3,6,7,10,12,13,15,18,21,22,25,27,28,31,33,36,40,42,43,45,46,48, %T A173059 55,57,60,61,66,67,70,73,75,78,81,82,87,88,90,91,97,103,105,106,108, %U A173059 111,112,117,120,123,126,127,130,132,133,138,145,147,148,150,157,160,165 %N A173059 Nonnegative numbers k such that 2*k + 17 is prime. %H A173059 Shawn A. Broyles, <a href="/A173059/b173059.txt">Table of n, a(n) for n = 1..1000</a> %t A173059 (Prime[Range[7,100]]-17)/2 %o A173059 (PARI) is(n)=isprime(2*n+17) \\ _Charles R Greathouse IV_, Feb 17 2017 %o A173059 (Magma) [n: n in [0..200] | IsPrime(2*n+17) ]; // _G. C. Greubel_, May 22 2019 %o A173059 (Sage) [n for n in (0..200) if is_prime(2*n+17) ] # _G. C. Greubel_, May 22 2019 %o A173059 (GAP) Filtered([0..200], k-> IsPrime(2*k+17) ); # _G. C. Greubel_, May 22 2019 %Y A173059 Numbers n such that 2n+k is prime: A005097 (k=1), A067076 (k=3), A089038 (k=5), A105760 (k=7), A155722 (k=9), A101448 (k=11), A153081 (k=13), A089559 (k=15), this seq (k=17), A153143 (k=19). %Y A173059 Numbers n such that 2n-k is prime: A006254 (k=1), A098090 (k=3), A089253 (k=5), A089192 (k=7), A097069 (k=9), A097338 (k=11), A097363 (k=13), A097480 (k=15), A098605 (k=17), A097932 (k=19). %K A173059 easy,nonn %O A173059 1,3 %A A173059 _Vladimir Joseph Stephan Orlovsky_, Feb 08 2010 %E A173059 Definition clarified by _Zak Seidov_, Jul 11 2014