login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A241245 Primes obtained by merging 4 successive digits in decimal expansion of sqrt (5). 1
6067, 7499, 8969, 4091, 9173, 8731, 5209, 9941, 2749, 4969, 5081, 5077, 4253, 2677, 4447, 3863, 2153, 7817, 3191, 9187, 1879, 6581, 8053, 1753, 5003, 2339, 9241, 3253, 2539, 2887, 6299, 8161, 7759, 2371, 3907, 7297, 8641, 2689, 4099, 3169, 1693, 7019, 7541, 5413 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
All the terms in the sequence are 4-digit primes because leading zeros are not permitted.
LINKS
MATHEMATICA
With[{s5=FromDigits/@Partition[RealDigits[Sqrt[5], 10, 500][[1]], 4, 1]}, Select[ s5, IntegerLength[#]==4&&PrimeQ[#]&]] (* Harvey P. Dale, Mar 25 2018 *)
CROSSREFS
Sequence in context: A238042 A251818 A241244 * A260105 A084804 A274360
KEYWORD
nonn,base
AUTHOR
K. D. Bajpai, Apr 18 2014
EXTENSIONS
Mathematica program corrected by Harvey P. Dale, Mar 25 2018
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 03:00 EDT 2024. Contains 371917 sequences. (Running on oeis4.)