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 A244770 #11 Sep 08 2022 08:46:08 %S A244770 47,347,547,647,947,1447,1747,1847,2347,2447,2647,3347,3547,3847,3947, %T A244770 4447,4547,5147,5347,5647,6047,6247,6547,6947,7247,7547,8147,8447, %U A244770 8647,8747,9547,10247,10847,11047,11447,12347,12547,12647,13147,14347,14447,14747 %N A244770 Prime numbers ending in the prime number 47. %C A244770 Also primes of the form 100*n+47. Subsequence A141882, A141944. %H A244770 Vincenzo Librandi, <a href="/A244770/b244770.txt">Table of n, a(n) for n = 1..1000</a> %t A244770 Select[Prime[Range[5, 6000]], Take[IntegerDigits[#], -2]=={4, 7} &] %o A244770 (Magma) [n: n in PrimesUpTo(16000) | n mod 100 eq 47]; %o A244770 (PARI) select(x->(x % 100)==47, primes(2000)) \\ _Michel Marcus_, Jul 06 2014 %Y A244770 Cf. A141882, A141944. %Y A244770 Cf. similar sequences listed in A244763. %K A244770 nonn,base,easy %O A244770 1,1 %A A244770 _Vincenzo Librandi_, Jul 06 2014