login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A051345 Odd numbers not of the form 3 + twin prime + twin prime. 1
1, 3, 5, 7, 97, 99, 101, 403, 405, 407, 517, 519, 521, 787, 789, 791, 907, 909, 911, 1117, 1119, 1121, 1147, 1149, 1151, 1267, 1269, 1271, 1357, 1359, 1361, 3247, 3249, 3251, 4207, 4209, 4211 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..37.

Index entries for sequences related to Goldbach conjecture

MATHEMATICA

tps=Flatten[Select[Partition[Prime[Range[2000]], 2, 1], Last[#]-First[#]==2&]]; Complement[Range[1, Last[tps], 2], Union[Total[#]+3&/@Tuples[tps, {2}]]]  (* Harvey P. Dale, Apr 01 2011 *)

CROSSREFS

Essentially A007534 + 3.

Sequence in context: A201270 A160360 A082697 * A242387 A104388 A110337

Adjacent sequences:  A051342 A051343 A051344 * A051346 A051347 A051348

KEYWORD

nonn,nice

AUTHOR

David W. Wilson

EXTENSIONS

No others below 100000. Conjectured to be complete.

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 July 22 05:47 EDT 2019. Contains 325213 sequences. (Running on oeis4.)