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A049857
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Concatenate "prevprime(n)", "n" and "nextprime(n)".
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0
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235, 345, 357, 567, 5711, 7811, 7911, 71011, 71113, 111213, 111317, 131417, 131517, 131617, 131719, 171819, 171923, 192023, 192123, 192223, 192329, 232429, 232529, 232629, 232729, 232829, 232931, 293031, 293137, 313237
(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(nextprime(n))+1, 100)+floor(evalf(log10(n)+1, 100)))+n*10^floor(evalf(log10(nextprime(n))+1, 100))+nextprime(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: A185482 A036209 A077803 * A132903 A147148 A173629
Adjacent sequences: A049854 A049855 A049856 * A049858 A049859 A049860
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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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