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A111383 Beginning with 3, least member of A007500 such that concatenation of first n terms and its digit reversal both are primes. 1
3, 7, 3, 3, 79, 701, 157, 1103, 11959, 1901, 10273, 92753, 17047, 11909, 144973, 327251, 99289, 92831, 90373, 309671, 1149619, 745397, 1232083, 94793, 18481, 76607, 186649, 181421, 1657561, 3746111, 7067239, 324143, 3185263, 9457181 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..34.

CROSSREFS

Cf. A113584, A111382, A007500.

Sequence in context: A198350 A117190 A113584 * A195769 A021968 A132821

Adjacent sequences:  A111380 A111381 A111382 * A111384 A111385 A111386

KEYWORD

nonn,base

AUTHOR

Hans Havermann, Nov 08 2005

STATUS

approved

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Last modified December 15 22:53 EST 2018. Contains 318157 sequences. (Running on oeis4.)