

A069503


a(1) = 2; a(n) = smallest palindromic prime of the form k*a(n1) + 1.


1




OFFSET

1,1


COMMENTS

a(1) = 2, a(n+1) = smallest palindromic prime == 1 (mod a(n)).
Multiplier k for a(7) is larger than 1000000000.  Patrick De Geest, Jun 10 2003
Multiplier k for a(7), if it exists, is larger than 10^10.  Daniel Starodubtsev, Jan 18 2020


LINKS

Table of n, a(n) for n=1..6.


CROSSREFS

Cf. A002385.
Sequence in context: A180162 A129907 A046284 * A077524 A238400 A266276
Adjacent sequences: A069500 A069501 A069502 * A069504 A069505 A069506


KEYWORD

base,nonn,more,changed


AUTHOR

Amarnath Murthy, Mar 30 2002


EXTENSIONS

More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 31 2003
a(6) from Patrick De Geest, Jun 10 2003


STATUS

approved



