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.

A136154 Composites one larger than a prime, with exactly five distinct prime factors.

This page as a plain text file.
%I A136154 #10 May 13 2022 18:56:35
%S A136154 2310,2730,3990,4290,6090,6270,7590,7854,8610,8970,9030,9240,9282,
%T A136154 9690,10010,10710,11550,11970,12012,12540,12810,13110,13260,13398,
%U A136154 13650,13860,14322,14490,14630,15330,15810,15960,16302,16422,16530,16830
%N A136154 Composites one larger than a prime, with exactly five distinct prime factors.
%F A136154 Equals A008864 INTERSECT A051270. - _R. J. Mathar_, Feb 20 2008
%e A136154 a(0)=2310 because 2310 follows the prime 2309 and has five factors 2, 3, 5, 7 and 11.
%o A136154 (PARI) isok(n) = (omega(n)==5) && isprime(n-1); \\ _Michel Marcus_, Jun 08 2014
%Y A136154 Cf. A136151, A136152, A136153, A136155.
%K A136154 easy,nonn
%O A136154 1,1
%A A136154 _Enoch Haga_, Dec 16 2007
%E A136154 Edited by _R. J. Mathar_, Feb 20 2008
%E A136154 Typo in a(36) corrected by _Seth A. Troisi_, May 13 2022