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 A100271 #8 Aug 18 2017 11:03:10 %S A100271 2,17,43,89,257,283,359,593,599,1297,2213,2617,3391,3631,4129,4177, %T A100271 4721,6569,7561,8081,8233,9277,10343,10657,10729,11273,12197,13049, %U A100271 13463,14449,14561,15641,15881,16369,16921,17209,17657,19699,22067,24137 %N A100271 Primes of the form a^4 + b^3 with b>0. %H A100271 Vincenzo Librandi, <a href="/A100271/b100271.txt">Table of n, a(n) for n = 1..1000</a> %t A100271 lst={}; Do[p=a^4+b^3; If[p<50000&&PrimeQ[p], AppendTo[lst, p]], {a, 64}, {b, 256}]; Union[lst] %o A100271 (PARI) list(lim)=my(v=List([2]),a4,t); lim\=1; for(a=1,sqrtnint(lim-1,4), a4=a^4; forstep(b=1+a%2,sqrtnint(lim-a4,3),2, if(isprime(t=a4+b^3), listput(v,t)))); Set(v) \\ _Charles R Greathouse IV_, Aug 18 2017 %Y A100271 Cf. A002645 (primes of the form a^4 + b^4), A028916 (primes of the form a^4 + b^2), A100291 (numbers of the form a^4 + b^3). %K A100271 nonn %O A100271 1,1 %A A100271 _T. D. Noe_, Nov 18 2004