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Search: id:A093019
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A093019 a(n) = A093018(n) mod 10. +0
11
0, 8, 6, 4, 2, 9, 7, 5, 3, 1, 9, 7, 5, 3, 1, 8, 6, 4, 2, 0, 8, 6, 4, 2, 0, 7, 5, 3, 1, 9, 7, 5, 3, 1, 9, 6, 4, 2, 0, 8, 6, 4, 2, 0, 8, 5, 3, 1, 9, 7, 5, 3, 1, 9, 7, 4, 2, 0, 8, 6, 4, 2, 0, 8, 6, 3, 1, 9, 7, 5, 3, 1, 9, 7, 5, 2, 0, 8, 6, 4, 2, 0, 8, 6, 4, 1, 9, 7, 5, 3, 1, 9, 7, 5, 3, 0, 8, 6, 4, 2, 8, 6, 4, 2, 0 (list; graph; listen)
OFFSET

0,2

COMMENT

Luhn mod 10 check digits of terms in A093018.

LINKS

Webopedia, Luhn formula

John Kilgo, DotNetJohn.com, Using the Luhn Algorithm

EXAMPLE

a(1)=8 because A093018(1) mod 10 = 18 mod 10 = 8.

a(5)=9 because A093018(5) mod 10 = 59 mod 10 = 9.

CROSSREFS

Cf. A093017-A093029.

Adjacent sequences: A093016 A093017 A093018 this_sequence A093020 A093021 A093022

Sequence in context: A085666 A084895 A059631 this_sequence A008569 A021906 A011329

KEYWORD

easy,nonn,base

AUTHOR

Ray Chandler (rayjchandler(AT)sbcglobal.net), Apr 3 2004

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Last modified October 16 00:31 EDT 2008. Contains 145098 sequences.


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