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%I #10 Jun 14 2024 05:26:52
%S 2,13,87,631,4884,39876,336756,2914140,25683614,229595323,2075911061,
%T 18944394204,174219183788,1612626081244,15010195375589,
%U 140387627837380,1318553324421089,12430152478650578,117566893367826528,1115249538463126642,10607400237283187171,101131327003506262770,966289700136857769743
%N Number of primes <= A092800(n).
%F a(n) = PrimePi(A092800(n)) = PrimePi(A046731(n)/A006880(n)). - _Robert G. Wilson v_, Jan 19 2007
%e 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 Cf. A092800, A092850, A092851.
%K nonn
%O 1,1
%A _Enoch Haga_, Mar 07 2004
%E a(9)-a(13) from _Robert G. Wilson v_, Jan 19 2007
%E a(14)-a(23) from _Amiram Eldar_, Jun 14 2024