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 A101086 #21 Feb 03 2024 00:49:40 %S A101086 0,6,10,12,22,36,64,76,82,94,126,130,136,144,150,162,174,186,202,204, %T A101086 246,250,252,274,276,292,294,300,306,312,330,342,360,364,390,430,466, %U A101086 472,480,484,490,502,526,540,546,582,586,592,594,606,610,616,622,642 %N A101086 Numbers k for which 997*k + 1009 is prime. %C A101086 997 is the largest three-digit prime and 1009 is the smallest four-digit prime. %e A101086 If k=6, then 997*6 + 1009 = 6991 (prime). %e A101086 If k=10, then 997*10 + 1009 = 10979 (prime). %e A101086 If k=12, then 997*12 + 1009 = 12973 (prime). %t A101086 Select[Range[0,700],PrimeQ[997#+1009]&] (* _Harvey P. Dale_, Jun 29 2011 *) %o A101086 (Magma) [ n: n in [0..700] | IsPrime(997*n + 1009) ]; // _Vincenzo Librandi_, Feb 04 2011 %Y A101086 Cf. A100776, A101084, A101123, A101444. %K A101086 nonn %O A101086 1,2 %A A101086 _Parthasarathy Nambi_, Jan 21 2005 %E A101086 Extended by _Ray Chandler_, Jan 25 2005