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Ruud H.G. van Tol on Thu, 01 Feb 2024 21:08:07 +0100
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- To: pari-users <pari-users@pari.math.u-bordeaux.fr>
- Subject: primepi([from,until])
- From: "Ruud H.G. van Tol" <rvtol@isolution.nl>
- Date: Thu, 1 Feb 2024 21:08:00 +0100
- Delivery-date: Thu, 01 Feb 2024 21:08:07 +0100
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I'm adding
a(n) = #primes([n^2/4, (n+1)^2/4]);
to https://oeis.org/A220492
and was wondering if primepi() should grow a primepi([x1, x2])variant,
to return the number of primes p, x1 <= p <= x2.
-- Ruud
Preview:
https://oeis.org/history/view?seq=A220492&v=9999