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A087390 a(1) = 7; a(n+1) is the least prime formed by adding one or more digits to the digit reversal of a(n). 4
7, 71, 173, 3719, 91733, 3371947, 749173303, 3033719477, 774917330303, 30303371947759, 957749173303031, 13030337194775911, 1195774917330303119, 9113030337194775911093, 390119577491733030311941 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..15.

EXAMPLE

a(2) = 71, a(3) is the smallest prime beginning with 17 and is 173.

CROSSREFS

Cf. A087388, A087389, A087391.

Sequence in context: A107163 A179784 A142037 * A142928 A201261 A069634

Adjacent sequences: A087387 A087388 A087389 * A087391 A087392 A087393

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Sep 09 2003

EXTENSIONS

More terms from David Wasserman, May 25 2005

STATUS

approved

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Last modified February 1 07:16 EST 2023. Contains 359981 sequences. (Running on oeis4.)