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 A278972 #27 Apr 18 2022 19:23:46 %S A278972 6,10,14,22,26,34,38,58,62,82,86,118,122,142,146,202,206,214,218,274, %T A278972 278,298,302,358,362,382,386,394,398,454,458,478,482,538,542,562,566, %U A278972 622,626,694,698,838,842,862,866,922,926,1042,1046,1138,1142,1198,1202,1234,1238,1282,1286 %N A278972 Twice the twin primes. %C A278972 This is one of the sequences found in the pyramid described in A245092. For more information about the pyramid see A237593 and A262626. %H A278972 Harvey P. Dale, <a href="/A278972/b278972.txt">Table of n, a(n) for n = 1..1000</a> %F A278972 a(n) = 2 * A001097(n). %t A278972 2Union[Flatten[Select[Partition[Prime[Range[150]],2,1],#[[2]]-#[[1]]==2&]]] (* _Harvey P. Dale_, Apr 18 2022 *) %Y A278972 Union of A108605 and A176810. %Y A278972 Subsequence of A100484. %Y A278972 Cf. A001097, A001359, A006512, A114907, A237593, A262626. %K A278972 nonn %O A278972 1,1 %A A278972 _Omar E. Pol_, Dec 02 2016