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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A052025 Every prefix (or suffix) of palindromic prime a(n) is prime (right/left-truncatable). 18
2, 3, 5, 7, 313, 373, 797 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..7.

I. O. Angell and H. J. Godwin, On Truncatable Primes, Math. Comput. 31, 265-267, 1977.

C. K. Caldwell, Left and Right truncatable primes.

P. De Geest, The list of 4260 left-truncatable primes

Eric Weisstein's World of Mathematics, Prime strings

Index entries for sequences related to truncatable primes

CROSSREFS

Cf. A033664, A024785, A032437, A020994, A024770, A052023, A052024, A050986, A050987.

Sequence in context: A180015 A052024 A052023 * A045336 A083183 A046477

Adjacent sequences:  A052022 A052023 A052024 * A052026 A052027 A052028

KEYWORD

nonn,base,fini,full

AUTHOR

G. L. Honaker, Jr. and Patrick De Geest, Nov 15 1999

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 November 16 17:25 EST 2018. Contains 317275 sequences. (Running on oeis4.)