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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A067141 Primes p beginning consecutive prime-difference pattern as follows: p, (16, 2, 16, 2), p+36. 5
225733, 819373, 830293, 856993, 895633, 924793, 1138393, 1210003, 1214623, 1353223, 1526053, 2051443, 2183773, 2298853, 2345443, 3169723, 3254773, 3287293, 3539743, 3675613, 3847603, 4630063, 4633003, 5137003, 5238403 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..500

EXAMPLE

First term a(1)=p(20082)=225773; it is followed by 225789, 225791, 225807, 225809=p(20086) primes, where the 4 corresponding consecutive differences equal {16, 2, 16, 2}. See analogous cases A022008, A067140.

MATHEMATICA

d[x_] := Prime[x+1]-Prime[x] Do[If[Equal[d[n], 16]&&Equal[d[n+1], 2]&& Equal[d[n+2], 16]&&Equal[d[n+3], 2], k=k+1; Print[Prime[n]]], {n, 1, 10000000}]

Select[Partition[Prime[Range[400000]], 5, 1], Differences[#]=={16, 2, 16, 2}&][[All, 1]] (* Harvey P. Dale, Jan 01 2018 *)

CROSSREFS

Cf. A001223, A022008, A067140.

Sequence in context: A048427 A203922 A237032 * A234775 A187598 A061134

Adjacent sequences:  A067138 A067139 A067140 * A067142 A067143 A067144

KEYWORD

nonn

AUTHOR

Labos Elemer, Jan 02 2002

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 21 05:28 EDT 2021. Contains 348141 sequences. (Running on oeis4.)