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A036342 Prime concatenated analog clock numbers read clockwise. 3
2, 3, 5, 7, 11, 23, 67, 89, 4567, 23456789, 23456789101112123, 891011121234567891011, 23456789101112123456789101112123, 567891011121234567891011121234567891011, 121234567891011121234567891011121234567891011121, 91011121234567891011121234567891011121234567891011121234567 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
The hours 10, 11 and 12 are taken 'complete and unreversed'.
LINKS
C. Rivera, Related puzzle
Eric Weisstein's World of Mathematics, Clock Prime
CROSSREFS
Sequence in context: A119660 A079148 A107367 * A114421 A167119 A165682
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Dec 15 1998
EXTENSIONS
a(14)-a(15) from Jean-Marie Hachey, Oct 05 2016
Offset and data corrected by Sean A. Irvine, Oct 26 2020
STATUS
approved

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)