# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a100273 Showing 1-1 of 1 %I A100273 #10 Jun 20 2023 19:12:40 %S A100273 2,59,157,251,307,761,1051,1367,1753,3221,3407,3637,4339,5869,7883, %T A100273 7901,8243,9293,9973,10891,12689,16649,16871,17807,20707,20903,22639, %U A100273 24421,30631,35969,37567,50651,59113,59351,59561,60343,63463,67049,69697 %N A100273 Primes of the form a^5 + b^3 with a,b>0. %H A100273 Vincenzo Librandi, Table of n, a(n) for n = 1..1000 %t A100273 lst={}; Do[p=a^5+b^3; If[p<100000&&PrimeQ[p], AppendTo[lst, p]], {a, 64}, {b, 1024}]; Union[lst] %t A100273 With[{nn=100},Select[#[[1]]^5+#[[2]]^3&/@Tuples[Range[nn],2],PrimeQ[#]&< 70000&]]//Union (* _Harvey P. Dale_, Jun 20 2023 *) %Y A100273 Cf. A100293 (numbers of the form a^5 + b^3). %K A100273 nonn %O A100273 1,1 %A A100273 _T. D. Noe_, Nov 18 2004 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE