Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A153379
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A153379 Larger of two consecutive prime numbers such that p1*p2*d-d=average of twin prime pairs, d (delta)=p2-p1. +0
12
1193, 8923, 13997, 31847, 33113, 56039, 57593, 66593, 85843, 87803, 90583, 91229, 93503, 101323, 103183, 111697, 113123, 127453, 141403, 142897, 150373, 150413, 151673, 152623, 156823, 157133, 161983, 176849, 179743, 186013, 205963, 209431 (list; graph; listen)
OFFSET

1,1

COMMENT

1187*1193*6-6=8496540+-1=primes,...

MATHEMATICA

lst={}; Do[p1=Prime[n]; p2=Prime[n+1]; d=p2-p1; a=p1*p2*d-d; If[PrimeQ[a-1]&&PrimeQ[a+1], AppendTo[lst, p2]], {n, 8!}]; lst

CROSSREFS

Cf. A099349, A153374, A153375, A153376, A153377, A153378

Sequence in context: A040104 A103171 A032530 this_sequence A103172 A166221 A096955

Adjacent sequences: A153376 A153377 A153378 this_sequence A153380 A153381 A153382

KEYWORD

nonn

AUTHOR

Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 24 2008

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 23 17:09 EST 2009. Contains 167438 sequences.


AT&T Labs Research