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 A092849 #10 Jun 14 2024 05:26:52 %S A092849 2,13,87,631,4884,39876,336756,2914140,25683614,229595323,2075911061, %T A092849 18944394204,174219183788,1612626081244,15010195375589, %U A092849 140387627837380,1318553324421089,12430152478650578,117566893367826528,1115249538463126642,10607400237283187171,101131327003506262770,966289700136857769743 %N A092849 Number of primes <= A092800(n). %F A092849 a(n) = PrimePi(A092800(n)) = PrimePi(A046731(n)/A006880(n)). - _Robert G. Wilson v_, Jan 19 2007 %e A092849 Below 10^1 there are 4 primes: 2 + 3 + 5 + 7 = 17. The rounded mean is 17/4 =~ 4. There are 2 primes less than 4: 2 and 3, so a(1) = 2. %Y A092849 Cf. A092800, A092850, A092851. %K A092849 nonn %O A092849 1,1 %A A092849 _Enoch Haga_, Mar 07 2004 %E A092849 a(9)-a(13) from _Robert G. Wilson v_, Jan 19 2007 %E A092849 a(14)-a(23) from _Amiram Eldar_, Jun 14 2024