Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A155145
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A155145 Primes p such that p-+1, p-+3, p-+5 are NotSquare-free. +0
1
5051, 6353, 6961, 7151, 7547, 8951, 13451, 22447, 36847, 49297, 51061, 51647, 52147, 63649, 68891, 81049, 81553, 82651, 91237, 95747, 108089, 110647, 110899, 117239, 117851, 122207, 124753, 125149, 126517, 136247, 148549, 153953, 154747 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

<<NumberTheory`NumberTheoryFunctions` lst={}; Do[p=Prime[n]; If[ !SquareFreeQ[p-1]&&!SquareFreeQ[p+1]&&!SquareFreeQ[p-3]&&!SquareFreeQ[p+3]&&!Squ\ areFreeQ[p-5]&&!SquareFreeQ[p+5], AppendTo[lst, p]], {n, 3*7!}]; lst

CROSSREFS

Cf. A153213, A049282, A155139, A155140, A155141, A155142, A155143

Sequence in context: A031659 A031569 A031749 this_sequence A160757 A046169 A058908

Adjacent sequences: A155142 A155143 A155144 this_sequence A155146 A155147 A155148

KEYWORD

nonn

AUTHOR

Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 21 2009

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research