1,1

a(2)=1003 because 1003 is the smallest semiprime containing exactly two 0's.

Sequence in context: A071925 A139101 A015482 this_sequence A098753 A066489 A063171

Adjacent sequences: A104483 A104484 A104485 this_sequence A104487 A104488 A104489

base,nonn

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Apr 24 2005