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A104486 Smallest semiprime containing exactly n 0's. 0
10, 1003, 10001, 100001, 1000001, 10000001, 100000001, 1000000006, 10000000003, 100000000007, 1000000000007 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

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

CROSSREFS

Sequence in context: A071925 A139101 A015482 * A098753 A066489 A063171

Adjacent sequences:  A104483 A104484 A104485 * A104487 A104488 A104489

KEYWORD

base,nonn

AUTHOR

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

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Last modified February 17 14:50 EST 2012. Contains 206050 sequences.