cp's OEIS Frontend

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.

A299710 Number of ten-prime Carmichael numbers less than 10^n.

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%I A299710 #22 Apr 22 2025 10:49:12
%S A299710 23,340,3058,20738,114232,547528,2347828
%N A299710 Number of ten-prime Carmichael numbers less than 10^n.
%D A299710 Paulo Ribenboim, The Little Book of Bigger Primes, Springer-Verlag NY 2004. See p. 220.
%H A299710 Claude Goutier, <a href="http://www-labs.iro.umontreal.ca/~goutier/OEIS/A055553/">Text file readme.text summarizing enumeration of Carmichael numbers up to 10^22</a>.
%H A299710 Claude Goutier, <a href="/A055553/a055553.txt">Text file readme.text summarizing enumeration of Carmichael numbers up to 10^22</a>. [Local copy, with permission]
%H A299710 Richard Pinch, <a href="http://www.s369624816.websitehome.co.uk/rgep/cartable.html">Tables relating to Carmichael numbers</a>.
%Y A299710 For k-prime Carmichael numbers up to 10^n for k = 3,4,...,11, see A132195, A174612, A174613, A174614, A174615, A174616, A174617, A299710, A299711.
%Y A299710 Cf. A002997, A006931, A055553.
%K A299710 nonn,more,hard
%O A299710 16,1
%A A299710 _Tim Johannes Ohrtmann_, Feb 17 2018
%E A299710 a(22) from _Claude Goutier_ added by _Amiram Eldar_, Apr 19 2024