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A115835 Square root of pi(A064523(n)). 1

%I #11 Aug 27 2019 21:31:49

%S 0,2,3,5,689,2015,2783,3592,3919,3941,5156,5902,6063,8054,15683,16310,

%T 28239,29901,40328,55221,60246,74982,98883,129023,312400,328667,

%U 351586,815526,911097,1018921,1054125

%N Square root of pi(A064523(n)).

%C Cf. A064517 pi(n) is a square, A064523 pi(n^2) is a square, A000720 pi(n), the number of primes <= n.

%t Sqrt@PrimePi[{ * list of entries in A064523 *) }^2] - _Robert G. Wilson v_, Feb 03 2006

%Y Cf. A000720, A064517, A064523.

%K nonn

%O 1,2

%A _Zak Seidov_, Feb 01 2006

%E a(20) from _Robert G. Wilson v_, Feb 03 2006

%E Added missing terms 28239, 29901, 40328 and a(24)-a(27) from _Donovan Johnson_, May 30 2010

%E a(28)-a(31) from _Chai Wah Wu_, Aug 27 2019

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Last modified March 28 21:57 EDT 2024. Contains 371254 sequences. (Running on oeis4.)