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 A244777 #17 Nov 13 2022 15:34:58 %S A244777 89,389,1289,1489,1789,1889,2089,2389,2689,2789,3089,3389,3889,3989, %T A244777 4289,4789,4889,5189,5689,6089,6389,6689,7489,7589,7789,8089,8389, %U A244777 8689,9689,10289,10589,10789,10889,11489,11689,11789,12289,12589,12689,12889 %N A244777 Prime numbers ending in the prime number 89. %C A244777 Also primes of the form 100*n+89. Subsequence of A141883, A141938. %H A244777 Vincenzo Librandi, <a href="/A244777/b244777.txt">Table of n, a(n) for n = 1..1000</a> %t A244777 Select[Prime[Range[5, 6000]], Take[IntegerDigits[#], -2]=={8, 9} &] %t A244777 Select[100 Range[0,200]+89,PrimeQ] (* _Harvey P. Dale_, Nov 13 2022 *) %o A244777 (Magma) [n: n in PrimesUpTo(15000) | n mod 100 eq 89]; %o A244777 (PARI) select(x->(x % 100)==89, primes(2000)) \\ _Michel Marcus_, Jul 07 2014 %Y A244777 Cf. similar sequences listed in A244763. %Y A244777 Cf. A141883, A141938. %K A244777 nonn,base %O A244777 1,1 %A A244777 _Vincenzo Librandi_, Jul 07 2014