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A088086 a(1) = 2; then smallest palindrome > 1 not occurring earlier such that every partial concatenation is a prime. 2
2, 3, 9, 11, 313, 33, 9339, 303, 909, 747, 383, 7, 969, 797, 141, 12721, 1881, 161, 343, 77, 333, 7227, 181, 737, 30603, 14841, 12621, 1111, 15051, 777, 939, 7887, 7997, 13231, 191, 79297, 13331, 11511, 19191, 38583, 3993, 949, 17171, 15351, 318813 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..45.

EXAMPLE

2,23,239,23911, etc. are primes.

CROSSREFS

Cf. A088087, A088084.

Sequence in context: A287680 A242680 A275767 * A088084 A182203 A168080

Adjacent sequences:  A088083 A088084 A088085 * A088087 A088088 A088089

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Sep 22 2003

EXTENSIONS

More terms from Sam Alexander, Nov 17 2003

More terms from David Wasserman, Jul 13 2005

STATUS

approved

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Last modified July 25 02:24 EDT 2021. Contains 346276 sequences. (Running on oeis4.)