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.

A104925 Primes from merging of 2 successive digits in decimal expansion of (Pi^2).

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%I A104925 #13 Mar 01 2023 11:42:36
%S A104925 89,61,83,61,11,13,53,31,13,79,41,13,37,41,19,43,17,73,37,71,23,31,59,
%T A104925 13,37,23,31,23,67,61,61,17,67,79,19,97,71,41,23,71,19,53,73,61,17,79,
%U A104925 41,13,41,59,83,73,67,71,11,43,89,71,41,53,59,83,37,79,83,31,41,97,73
%N A104925 Primes from merging of 2 successive digits in decimal expansion of (Pi^2).
%H A104925 Vincenzo Librandi, <a href="/A104925/b104925.txt">Table of n, a(n) for n = 1..1000</a>
%H A104925 Simon Plouffe, <a href="http://www.gutenberg.org/ebooks/634">Miscellaneous Mathematical Constants</a>, Expansion of Pi^2 to 10000 decimals, project Gutenberg.
%t A104925 Select[FromDigits/@Partition[RealDigits[Pi^2, 10, 100][[1]], 2, 1], #>10&&PrimeQ[#]&] (* _Vincenzo Librandi_, Apr 23 2013 *)
%Y A104925 Cf. A002388.
%K A104925 nonn,base
%O A104925 1,1
%A A104925 Andrew G. West (WestA(AT)wlu.edu), Mar 29 2005
%E A104925 Changed offset from 0 to 1 by _Vincenzo Librandi_, Apr 23 2013