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, 191, 1123529253211, 3868168229228618683, 164471141292141174461

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