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A123587 Number of bars that must turn change on a standard digital clock when the minutes change from n-1 to n. +0
1
5, 4, 5, 2, 3, 3, 1, 5, 4, 1, 6, 4, 5, 2, 3, 3, 1, 5, 4, 1, 7, 4, 5, 2, 3, 3, 1, 5, 4, 1, 4, 4, 5, 2, 3, 3, 1, 5, 4, 1, 5, 4, 5, 2, 3, 3, 1, 5, 4, 1, 5, 4, 5, 2, 3, 3, 1, 5, 4, 1, 5, 4, 5, 2, 3, 3, 1, 5, 4, 1, 6, 4, 5, 2, 3, 3, 1, 5, 4, 1, 7, 4, 5, 2, 3, 3, 1, 5, 4, 1, 4, 4, 5, 2, 3, 3, 1, 5, 4, 1, 5, 4, 5, 2, 3, 3, 1, 5, 4, 1, 5, 4, 5, 2, 3, 3, 1, 5, 4, 1 (list; graph; listen)
OFFSET

0,1

COMMENT

Cyclic with period 60.

EXAMPLE

a(20)=7 because when the clock changes from 19 to 20 minutes, 1 bar turns off and 4 bars turn on in the tens digit for the "0" to become a "1" and 1 bar turns off and 1 turns on in the units digit for the "9" to become a "0". 1 + 4 + 1 + 1 = 7.

CROSSREFS

Cf. A006942, A010371, A063720.

Adjacent sequences: A123584 A123585 A123586 this_sequence A123588 A123589 A123590

Sequence in context: A019842 A071419 A019117 this_sequence A018840 A058209 A131291

KEYWORD

easy,nonn

AUTHOR

Daniel Rorabaugh (imnasnainaec(AT)gmail.com), Nov 13 2006

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Last modified October 12 11:54 EDT 2008. Contains 144829 sequences.


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