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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A032593 Twin palindromic primes (lower terms). 1
2, 181, 373, 787, 919, 10501, 11311, 12721, 13831, 15451, 16561, 19891, 30103, 30703, 32323, 35053, 38083, 70507, 77377, 78787, 93139, 94849, 1092901, 1177711, 1242421, 1280821, 1286821, 1327231, 1362631, 1411141, 1463641, 1489841, 1550551 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

Martin Gardner, "The Ambidextrous Universe", Penguin Press, Sec. Ed. 1982, pp. 39-41.

LINKS

Table of n, a(n) for n=1..33.

P. De Geest, World!Of Palindromic Primes

EXAMPLE

Twin palindromic primes differ from the middle digits outwards (373,383);(9439349,9440449).

CROSSREFS

Cf. A032594.

Sequence in context: A239548 A272237 A094221 * A176477 A094483 A258426

Adjacent sequences:  A032590 A032591 A032592 * A032594 A032595 A032596

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, May 15 1998

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 | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified July 20 11:55 EDT 2018. Contains 312804 sequences. (Running on oeis4.)