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!)
A270799 Artiads (A001583) congruent to 1 mod 50 and having 2 as a quintic residue. 1
3251, 4751, 14251, 17401, 21401, 27551, 32051, 32251, 36151, 36451, 42451, 51001, 52501, 54101, 55001, 56501, 59051, 60101, 61051, 83401, 104801, 113051, 116101, 119851, 121351, 170701, 174901, 178501, 178601, 179051, 182101, 185951, 190301, 202751, 213901 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
E. Lehmer, Artiads characterized, J. Math. Anal. Appl. 15 1966 118-131. See page 123.
E. Lehmer, Artiads characterized, J. Math. Anal. Appl. 15 1966 118-131 [annotated and corrected scanned copy]
PROG
(Sage) def isa(n) : return n % 50 == 1 and is_prime(n) and 2.powermod((n-1)//5, n) == 1 and fibonacci((n - 1)//5) % n == 0 # Eric M. Schmidt, Apr 01 2016
CROSSREFS
Cf. A001583.
Sequence in context: A106722 A031555 A106723 * A031735 A144936 A164077
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Apr 01 2016
EXTENSIONS
Definition edited by and more terms from Eric M. Schmidt, Apr 01 2016
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 March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)