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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A157533 Emirps using all of nonprime digits (0, 1, 4, 6, 8, 9) and no others. 0
108649, 140869, 168409, 184609, 904861, 906481, 946801, 968041, 1016489, 1041869, 1048609, 1061849, 1064689, 1068409, 1068491, 1084469, 1084609, 1086469, 1089461, 1098469, 1108469, 1146809, 1184069, 1406689, 1406849 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Subsequence of A128390.

LINKS

Table of n, a(n) for n=1..25.

PROG

(MAGMA) [ n : n in [100000..1410000] | Seqset(D) eq {0, 1, 4, 6, 8, 9}and n ne r and IsPrime(n) and IsPrime(r) where r is Seqint(Reverse(D)) where D is Intseq(n) ]; // Klaus Brockhaus, Mar 08 2009

CROSSREFS

Cf. A128390.

Cf. A006567 (emirps, primes whose reversal is a different prime). - Klaus Brockhaus, Mar 08 2009

Sequence in context: A102333 A236650 A237789 * A233650 A286884 A210083

Adjacent sequences:  A157530 A157531 A157532 * A157534 A157535 A157536

KEYWORD

nonn,base

AUTHOR

Lekraj Beedassy, Mar 02 2009

EXTENSIONS

Edited by N. J. A. Sloane, Mar 05 2009

More terms from Klaus Brockhaus and Ray Chandler, Mar 08 2009

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 June 19 05:30 EDT 2019. Contains 324218 sequences. (Running on oeis4.)