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Search: id:A106552
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| A106552 |
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Semiprime + (smallest integer obtained by concatenating its two divisors). |
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+0
1
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| 26, 29, 41, 35, 41, 50, 58, 134, 80, 158, 146, 206, 92, 230, 172, 269, 128, 224, 170, 250
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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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.
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Eighth semiprime is 22; 22 is 2*11 (211) or 11*2 (112); 134=22+112.
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CROSSREFS
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Sequence in context: A056081 A081644 A055109 this_sequence A106550 A069962 A045163
Adjacent sequences: A106549 A106550 A106551 this_sequence A106553 A106554 A106555
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KEYWORD
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base,easy,nonn
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AUTHOR
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Eric Angelini (eric.angelini(AT)kntv.be), May 09 2005
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