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.
%I A274639 #26 Mar 16 2019 12:21:10 %S A274639 33,242,7939375,3388031791,104228508212890623,1489106237081787109375, %T A274639 273062471666259918212890623,804505911103256259918212890623, %U A274639 490685203356467392256259918212890623,6794675247932944436619977392256259918212890623,329757106427071213106619977392256259918212890623 %N A274639 Erroneous version of A306879. %C A274639 A published but incorrect sequence. The OEIS policy is to include such sequences together with a pointer to the correct entry. %C A274639 a(4) was incorrect in "Some new results on consecutive equidivisible integers". %H A274639 <a href="/A274639/b274639.txt">Table of n, a(n) for n = 1..11</a> %H A274639 Vasilii A. Dziubenko, Vladimir A. Letsko, <a href="https://arxiv.org/abs/1811.05127">Consecutive positive integers with the same number of divisors</a>, arXiv:1811.05127 [math.NT], 2018. %H A274639 Vladimir A. Letsko, <a href="http://arxiv.org/abs/1510.07081">Some new results on consecutive equidivisible integers</a>, arXiv:1510.07081 [math.NT], 2015. %e A274639 33, 34, 35 all have exactly 2*prime(1) = 4 divisors, and 33 is the smallest number with this property, so a(1) = 33. %Y A274639 Cf. A306879. %Y A274639 Supposed to be subsequence of A075040. %K A274639 dead %O A274639 1,1 %A A274639 _N. J. A. Sloane_, Jul 09 2016