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A069504 a(1) = 2; a(n) = smallest palindromic prime of the form k*a(n-1) + 1 with k > 1. 0
2, 5, 11, 353, 3594953, 334185191581433 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Multiplier k for a(7) is larger than 1000000000. - Patrick De Geest

LINKS

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

CROSSREFS

Sequence in context: A236073 A064772 A107989 * A158997 A101828 A071293

Adjacent sequences:  A069501 A069502 A069503 * A069505 A069506 A069507

KEYWORD

base,nonn,more

AUTHOR

Amarnath Murthy, Mar 30 2002

EXTENSIONS

Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 31 2003

a(6) from Patrick De Geest, Jun 10 2003

STATUS

approved

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Last modified February 27 03:03 EST 2020. Contains 332299 sequences. (Running on oeis4.)