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 A288955 #11 Jun 28 2017 02:17:13 %S A288955 24,1482,2805,3596,7917,12765,17157,17822,21170,25122,29913,36278, %T A288955 42230,45582,58539,61503,62997,109886,117986,145542,258055,264710, %U A288955 268323,272994,281957,294306,306362,319790,324318,387506,491397,599838,613085,656091,679758,709806,771762,793877 %N A288955 Integers that are the sum of two consecutive semiprimes, as well as the product of two consecutive semiprimes. %e A288955 24 = A118717(4) = A108215(1), 1482 = A118717(223) = A108215(14). %t A288955 s = Partition[Select[Range[10^6], PrimeOmega@ # == 2 &], 2, 1]; Intersection[Map[Total, s], Map[Times @@ # &, s]] (* _Michael De Vlieger_, Jun 21 2017 *) %Y A288955 Cf. A001358. Intersection of A118717 and A108215. %K A288955 nonn %O A288955 1,1 %A A288955 _Zak Seidov_, Jun 20 2017 %E A288955 More terms from _Michel Marcus_, Jun 27 2017