cp's OEIS Frontend

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.

A244778 Prime numbers ending in the prime number 97.

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%I A244778 #20 Sep 08 2022 08:46:08
%S A244778 97,197,397,797,997,1097,1297,1597,1697,1997,2297,2797,2897,3697,3797,
%T A244778 4297,4397,4597,5197,5297,5897,6197,6397,6997,7297,8297,8597,9397,
%U A244778 9497,9697,10597,11197,11497,11597,11897,12097,12197,12497,12697,13297,13397
%N A244778 Prime numbers ending in the prime number 97.
%C A244778 Also primes of the form 100*n+97. Subsequence of A141886, A141944.
%H A244778 Vincenzo Librandi, <a href="/A244778/b244778.txt">Table of n, a(n) for n = 1..1000</a>
%t A244778 Select[Prime[Range[5, 6000]], Take[IntegerDigits[#], -2]=={9, 7} &]
%o A244778 (Magma) [n: n in PrimesUpTo(15000) | n mod 100 eq 97];
%o A244778 (PARI) select(x->(x % 100)==97, primes(2000)) \\ _Michel Marcus_, Jul 07 2014
%Y A244778 Cf. similar sequences listed in A244763.
%Y A244778 Cf. A141886, A141944.
%K A244778 nonn,base
%O A244778 1,1
%A A244778 _Vincenzo Librandi_, Jul 07 2014