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 A054805 #15 Apr 07 2025 13:28:20 %S A054805 37,67,97,223,277,307,457,479,613,631,719,751,853,877,929,1087,1297, %T A054805 1423,1447,1471,1543,1657,1663,1693,1733,1777,1783,1847,1861,1867, %U A054805 1987,1993,2053,2137,2333,2371,2377,2459,2467,2503,2521,2531,2579,2609,2647 %N A054805 Second term of strong prime quartets: prime(m+1)-prime(m) > prime(m+2)-prime(m+1) > prime(m+3)-prime(m+2). %C A054805 Second member of pairs of consecutive primes in A051634 (strong primes). - _M. F. Hasler_, Oct 27 2018 %H A054805 M. F. Hasler, <a href="/A054805/b054805.txt">Table of n, a(n) for n = 1..10000</a>, Oct 27 2018 %F A054805 a(n) = nextprime(A054804(n))= prevprime(A054806(n)), nextprime = A151800, prevprime = A151799. - _M. F. Hasler_, Oct 27 2018 %Y A054805 Cf. A051634, A051635; A054800 .. A054803: members of balanced prime quartets (= consecutive primes in arithmetic progression); A054804 .. A054818: members of strong prime quartet, quintet, sextet; A054819 .. A054840: members of weak prime quartet, quintet, sextet, septets. %K A054805 nonn %O A054805 1,1 %A A054805 _Henry Bottomley_, Apr 10 2000 %E A054805 Offset corrected to 1 by _M. F. Hasler_, Oct 27 2018 %E A054805 Definition clarified by _N. J. A. Sloane_, Aug 28 2021