The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A192203 Numbers n such that n, n+1, and n+2 are the product of 5 distinct primes. 6
 16467033, 18185869, 21134553, 21374353, 21871365, 22247553, 22412533, 22721585, 24845313, 25118093, 25228929, 25345333, 25596933, 26217245, 27140113, 29218629, 29752345, 30323733, 30563245, 31943065, 32663265, 33367893, 36055045, 38269021, 39738061, 40547065 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS A subsequence of A242608 intersect A016813. - M. F. Hasler, May 19 2014 All terms are congruent to 1 mod 4. - Zak Seidov, Dec 22 2014 LINKS Zak Seidov, Table of n, a(n) for n = 1..154 EXAMPLE a(1)=16467033 because it is the product of 5 distinct primes (3,11,17,149,197), and so is a(1)+1: 16467034 (2,19,23,83,227), and so is a(1)+2: 16467035 (5,13,37,41,167). PROG (PARI) forstep(n=1+10^7, 1e8, 4, for(k=n, n+2, issquarefree(k)||next(2)); for(k=n, n+2, omega(k)==5||next(2)); print1((n)", ")) \\ M. F. Hasler, May 19 2014 CROSSREFS Cf. A046387, A140077. Cf. A039833, A066509, A176167. Sequence in context: A253716 A216004 A155949 * A248204 A178555 A255164 Adjacent sequences:  A192200 A192201 A192202 * A192204 A192205 A192206 KEYWORD nonn AUTHOR Gil Broussard, Jun 25 2011 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified April 22 09:59 EDT 2021. Contains 343174 sequences. (Running on oeis4.)