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.

A145449 Numbers n such that A145445(n) = A145446(n).

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%I A145449 #8 Jun 02 2025 00:39:13
%S A145449 16,17,18,123,124,125,126,127,128,129,550,551,552,553,554,555,556,557,
%T A145449 558,559,560,561,562,563,564,1797,1798,1799,1800,1801,1802,1803,1804,
%U A145449 1805,1806,1807,1808,1809,1810,1811,1812,1813,1814,1815,1816,1817,1818
%N A145449 Numbers n such that A145445(n) = A145446(n).
%C A145449 Numbers n such that s(n), the smallest square > n-th prime, equals q(n), the smallest cube > n-th prime, s(n) = A145445(n), q(n) = A145446(n).
%H A145449 Vincenzo Librandi, <a href="/A145449/b145449.txt">Table of n, a(n) for n = 1..1000</a>
%t A145449 Do[If[Ceiling[Prime[n]^(1/3)]^3 == Ceiling[Prime[n]^(1/2)]^2,Print[n]],{n,10000}]
%Y A145449 A104103, A104147, A145445, A145446, A145447
%K A145449 nonn
%O A145449 1,1
%A A145449 _Zak Seidov_, Oct 10 2008