1,1
If n=2, then n1001 = 21001 (prime).
If n=69, then n1001 = 691001 (prime).
Sequence in context: A058591 A059009 A026179 this_sequence A002253 A032716 A132229
Adjacent sequences: A105104 A105105 A105106 this_sequence A105108 A105109 A105110
base,nonn
Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Apr 07 2005
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