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A036344 Prime concatenated analogue clock numbers (clockwise and counterclockwise). 2
2, 3, 5, 7, 11, 23, 43, 67, 89, 109, 4567, 10987, 76543, 23456789, 6543211211, 4321121110987, 23456789101112123, 891011121234567891011, 3211211109876543211211, 23456789101112123456789101112123 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

The hours 10, 11 and 12 are taken 'complete and unreversed'.

LINKS

Table of n, a(n) for n=0..19.

C. Rivera, Related puzzle

Eric Weisstein's World of Mathematics, Clock Prime.

CROSSREFS

Cf. A034326, A036342, A036343.

Sequence in context: A158217 A030284 A068148 * A165802 A107798 A119660

Adjacent sequences:  A036341 A036342 A036343 * A036345 A036346 A036347

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Dec 15 1998.

STATUS

approved

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Last modified May 23 16:03 EDT 2013. Contains 225610 sequences.