

A053559


Primes formed by concatenating n consecutive increasing numbers starting with a palindrome and ending with the next consecutive palindrome.


0




OFFSET

1,1


COMMENTS

The next term, a(5) = 90809...90909, has 505 digits.  M. F. Hasler, Sep 11 2018


LINKS

Table of n, a(n) for n=1..4.


PROG

(PARI) P=1; until(, N=P; for(x=1+P, P=A262038(1+P), N=N*10^(logint(x, 10)+1)+x); ispseudoprime(N)&& print(N", ")) \\ M. F. Hasler, Sep 11 2018


CROSSREFS

Cf. A000040, A002113.
Sequence in context: A241212 A052087 A030458 * A322414 A031376 A069173
Adjacent sequences: A053556 A053557 A053558 * A053560 A053561 A053562


KEYWORD

base,nonn


AUTHOR

G. L. Honaker, Jr., Jan 16 2000


STATUS

approved



