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 A247088 #19 Jul 05 2019 18:12:24 %S A247088 3885569,5717249,8411201,9173249,11039489,13310081,13506751,13633759, %T A247088 14616449,15709951,17482879,21614849,21988097,24507521,24714559, %U A247088 26207551,26720767,28680319,30546559,31780351,32995999,33999103,34602751,38255489,38531249,38618369,40408831,44103041,44278001 %N A247088 Primes sandwiched between 10-almost primes (A046314). %C A247088 Primes p such that p-1 and p+1 are 10-almost primes. %H A247088 Zak Seidov, <a href="/A247088/b247088.txt">Table of n, a(n) for n = 1..1186</a> %e A247088 3885569 - 1 = 2^9 * 7589; %e A247088 3885569 + 1 = 2 * 3^6 * 5 * 13 * 41. %t A247088 Select[Prime[Range[2678000]],PrimeOmega[#-1]==PrimeOmega[#+1]==10&] (* _Harvey P. Dale_, Jul 05 2019 *) %o A247088 (PARI) is(n)=bigomega(n-1)==10 && bigomega(n+1)==10 && isprime(n) \\ _Charles R Greathouse IV_, Apr 27 2015 %Y A247088 Cf. A014612, A046314, A063644. %K A247088 nonn %O A247088 1,1 %A A247088 _Zak Seidov_, Jan 10 2015