2,1
a(4)=2267. 2+267=269, which is prime. 22+67=89, which is prime. 226+7=233, which is prime.
Sequence in context: A062210 A049080 A129754 this_sequence A166182 A064758 A030428
Adjacent sequences: A103544 A103545 A103546 this_sequence A103548 A103549 A103550
base,more,nonn
Ray G. Opao (1260(AT)email.com), Mar 23 2005
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