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 A068356 #15 May 10 2022 11:17:42 %S A068356 88,100,198,260,306,375,384,459,540,585,714,798,825,856,864,960,1012, %T A068356 1062,1148,1278,1312,1484,1725,1784,1924,1988,2125,2130,2160,2204, %U A068356 2210,2240,2241,2250,2346,2480,2516,2619,2662,2776,2814,2826,2889,2892,2910 %N A068356 Numbers k such that bigomega(k) = tau(prime(k)+1) where tau(k) = A000005(k). %H A068356 Amiram Eldar, <a href="/A068356/b068356.txt">Table of n, a(n) for n = 1..10000</a> %t A068356 Select[Range[3000],PrimeOmega[#]==DivisorSigma[0,Prime[#]+1]&] (* _Harvey P. Dale_, Aug 18 2013 *) %o A068356 (PARI) isok(k) = bigomega(k) == numdiv(prime(k)+1); \\ _Michel Marcus_, May 10 2022 %Y A068356 Cf. A000005, A001222, A008329. %K A068356 easy,nonn %O A068356 1,1 %A A068356 _Benoit Cloitre_, Feb 28 2002