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Search: id:A114433
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A114433 Last digit (the checksum) of 10-digit ISBN numbers, 10 is represented as "X". +0
1
9, 7, 5, 3, 1, 10, 8, 6, 4, 8, 6, 4, 2, 0, 9, 7, 5, 3, 1, 5, 3, 1, 10, 8, 6, 4, 2, 0, 9, 2, 0, 9, 7, 5, 3, 1, 10, 8, 6, 10, 8, 6, 4, 2, 0, 9, 7, 5, 3, 7, 5, 3, 1, 10, 8, 6, 4, 2, 0, 4, 2, 0, 9, 7, 5, 3, 1, 10, 8, 1, 10, 8, 6, 4, 2, 0, 9, 7, 5, 9, 7, 5, 3, 1, 10, 8, 6, 4, 2, 6, 4, 2, 0, 9, 7, 5, 3, 1, 10 (list; graph; listen)
OFFSET

1,1

FORMULA

The first nine digits of ten-digit ISBN numbers are assigned according to the language, publisher, and book. The final digit is a checksum: 1 x the first digit, 2 x the second digit, ... 9 x the ninth digit, reduced modulo 11, and 10 is printed as "X".

CROSSREFS

Sequence in context: A010546 A109846 A096230 this_sequence A065467 A021839 A094131

Adjacent sequences: A114430 A114431 A114432 this_sequence A114434 A114435 A114436

KEYWORD

easy,nonn

AUTHOR

Jud McCranie (j.mccranie(AT)comcast.net), Feb 13 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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