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!)
A134441 Last two digits of primes of form 4n+1 (A002144), excluding 5. Leading 0's omitted. 1
1, 9, 13, 17, 21, 29, 33, 37, 41, 49, 53, 57, 61, 69, 73, 77, 81, 89, 93, 97 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..20.

MATHEMATICA

Select[Union[Mod[#, 100]&/@Select[4Range[200]+1, PrimeQ]], #!=5&]  (* Harvey P. Dale, Apr 02 2011 *)

CROSSREFS

Cf. A002144.

Sequence in context: A294357 A329388 A227062 * A174055 A273059 A188220

Adjacent sequences:  A134438 A134439 A134440 * A134442 A134443 A134444

KEYWORD

fini,full,nonn,base

AUTHOR

Lekraj Beedassy, Jan 19 2008

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 4 11:31 EDT 2020. Contains 335448 sequences. (Running on oeis4.)