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 A092850 #10 Jun 14 2024 05:27:06 %S A092850 2,12,81,598,4708,38622,327823,2847315,25163920,225457188,2042143752, %T A092850 18663517814,171846353051,1592315669558,14834375047080, %U A092850 138850713196545,1305003833233144,12309801809090282,116490773908518079,1105570064097792198,10519869248735544757,100335959685809643520 %N A092850 Number of primes between A092800(n) and 10^n. %F A092850 a(n) = PrimePi(10^n) - PrimePi(A092800(n)) = PrimePi(10^n) - PrimePi(A046731(n)/A006880(n)). - _Robert G. Wilson v_, Jan 19 2007 %F A092850 a(n) = A006880(n) - A092849(n). - _Amiram Eldar_, Jun 14 2024 %e A092850 Below 10^1 there are 4 primes: 2 + 3 + 5 + 7 = 17. The rounded mean is 17/4 =~ 4. There are 2 primes > 4: 5 and 7, so a(1) = 2. %Y A092850 Cf. A006880, A092800, A092849, A092851. %K A092850 nonn %O A092850 1,1 %A A092850 _Enoch Haga_, Mar 07 2004 %E A092850 a(9)-a(13) from _Robert G. Wilson v_, Jan 19 2007 %E A092850 a(14)-a(22) from _Amiram Eldar_, Jun 14 2024