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A049851
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Concatenate "prevprime(n)" and "n".
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0
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23, 34, 35, 56, 57, 78, 79, 710, 711, 1112, 1113, 1314, 1315, 1316, 1317, 1718, 1719, 1920, 1921, 1922, 1923, 2324, 2325, 2326, 2327, 2328, 2329, 2930, 2931, 3132, 3133, 3134, 3135, 3136, 3137, 3738, 3739, 3740, 3741, 4142, 4143, 4344
(list; graph; refs; listen; history; internal format)
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OFFSET
| 3,1
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MAPLE
| P:=proc(i) local a, n; for n from 3 by 1 to i do a:=prevprime(n)*10^floor(evalf(log10(n)+1, 100))+n; print(a); od; end: P(100); [From Paolo P. Lava (paoloplava(AT)gmail.com), Jan 21 2009]
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CROSSREFS
| Sequence in context: A043909 A145566 A146595 * A120147 A166499 A045533
Adjacent sequences: A049848 A049849 A049850 * A049852 A049853 A049854
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KEYWORD
| nonn,base
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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