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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
OFFSET
1,1
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Hans Havermann, Nov 08 2005
STATUS
approved