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!)
A230228 a(n) is the smallest palindromic prime that is the first of n consecutive palindromic primes whose product of digits is equal and nonzero. 2
2, 191, 1123529253211, 3868168229228618683, 164471141292141174461 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(6) > 10^22.

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

a(2) = 191, since 191 and 313 are two consecutive palindromic primes with product of digits as 9 and this is the first occurrence of two consecutive palindromic primes whose product of digits is equal and nonzero.

CROSSREFS

Cf. A002385, A007954, A053666, A230200, A230082.

Sequence in context: A201183 A103404 A232822 * A197249 A151709 A265750

Adjacent sequences:  A230225 A230226 A230227 * A230229 A230230 A230231

KEYWORD

base,nonn,more

AUTHOR

Shyam Sunder Gupta, Oct 12 2013

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 September 19 05:33 EDT 2020. Contains 337176 sequences. (Running on oeis4.)