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Search: id:A074461
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| A074461 |
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Average digit (rounded down) in the decimal expansion of a prime number. |
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+0
3
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| 2, 3, 5, 7, 1, 2, 4, 5, 2, 5, 2, 5, 2, 3, 5, 4, 7, 3, 6, 4
(list; graph; listen)
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OFFSET
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0,1
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EXAMPLE
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prime numbers: 2,3,5,7,11,13,17,19,23... so the average digits rounded down are; 2, 3, 5, 7, (1+1)/2=1, (1+3)/2=2, (1+7)/2=4, (1+9)/2=5,floor((2+3)/2)=2...
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CROSSREFS
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Cf. A000040.
Adjacent sequences: A074458 A074459 A074460 this_sequence A074462 A074463 A074464
Sequence in context: A134690 A065859 A117819 this_sequence A074462 A073342 A113656
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KEYWORD
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easy,nonn,base
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AUTHOR
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Y. Kelly Itakura (yitkr(AT)mta.ca), Aug 23 2002
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