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A106552 Semiprime + (smallest integer obtained by concatenating its two divisors). 0
26, 29, 41, 35, 41, 50, 58, 134, 80, 158, 146, 206, 92, 230, 172, 269, 128, 224, 170, 250 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

First semiprime is 4; 4 is 2*2; 26=4+22.

Second semiprime is 6; 6 is 2*3 (23) or 3*2 (32); 29=6+23.

...

Eighth semiprime is 22; 22 is 2*11 (211) or 11*2 (112); 134=22+112.

CROSSREFS

Sequence in context: A056081 A081644 A055109 * A106550 A069962 A178098

Adjacent sequences:  A106549 A106550 A106551 * A106553 A106554 A106555

KEYWORD

base,easy,nonn

AUTHOR

Eric Angelini (eric.angelini(AT)kntv.be), May 09 2005

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Last modified February 15 23:21 EST 2012. Contains 205860 sequences.