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 A079328 #12 Feb 16 2025 08:32:48 %S A079328 4,8,14,23,35,50,65,86,104,122,143,164,185,194,212,233,254,275,296, %T A079328 329,383,425,446,491,545,584,608,629,650,734,815,824,842,869,950,1025, %U A079328 1040,1055,1076,1121,1190,1253,1283,1295,1310,1373,1439,1466,1484,1547,1613 %N A079328 Let f(n)=A001359(n) be the smaller member of the n-th pair of twin primes. Then a(n) is the average of f(n) and f(n+1). %C A079328 Average of two consecutive lesser of twin primes. - Juri-Stepan Gerasimov, Aug 26 2011. %H A079328 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TwinPrimes.html">Twin Primes</a> %t A079328 s=Select[Range[2000], PrimeQ[ # ]&&PrimeQ[ #+2]&]; (Drop[s, 1]+Drop[s, -1])/2 %Y A079328 Cf. A001359, A079329. %K A079328 nonn %O A079328 1,1 %A A079328 Vincenzo Origlio (vincenzo.origlio(AT)itc.cnr.it), Feb 13 2003 %E A079328 Edited by _Dean Hickerson_, Feb 14 2003