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 A318964 #19 Sep 08 2018 02:47:43 %S A318964 378014,421134,483405,486590,486794,489345,507129,545258,549185, %T A318964 558789,558830,634809,637329,663585,667029,690234,720290,776985, %U A318964 782690,823745,824109,853005,853034,855645,873885,883245,892905,935714,945230,968253,987734,999005,1005081,1013726 %N A318964 Numbers k such that both k and k+1 are the product of exactly five distinct primes. %H A318964 Seiichi Manyama, <a href="/A318964/b318964.txt">Table of n, a(n) for n = 1..1000</a> %e A318964 n | a(n) | a(n)+1 %e A318964 --+--------------------------------+-------------------------------- %e A318964 1 | 378014 = 2 * 7 * 13 * 31 * 67 | 378015 = 3 * 5 * 11 * 29 * 79 %e A318964 2 | 421134 = 2 * 3 * 7 * 37 * 271 | 421135 = 5 * 11 * 13 * 19 * 31 %e A318964 3 | 483405 = 3 * 5 * 13 * 37 * 67 | 483406 = 2 * 7 * 11 * 43 * 73 %o A318964 (PARI) is(n) = omega(n)==5 && omega(n+1)==5 && bigomega(n)==5 && bigomega(n+1)==5 \\ _Felix Fröhlich_, Sep 06 2018 %Y A318964 Subsequence of A140079. %Y A318964 Cf. A046387, A052215, A215217, A263990, A318896. %K A318964 nonn %O A318964 1,1 %A A318964 _Seiichi Manyama_, Sep 06 2018