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Search: id:A140058
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| A140058 |
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Numbers > 24 that are congruent to {5,6,7,8,9} mod 10. |
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+0
1
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| 25, 26, 27, 28, 29, 35, 36, 37, 38, 39, 45, 46, 47, 48, 49, 55, 56, 57, 58, 59, 65, 66, 67, 68, 69, 75, 76, 77, 78, 79, 85, 86, 87, 88, 89, 95, 96, 97, 98, 99, 105, 106, 107, 108, 109, 115, 116, 117, 118, 119, 125, 126, 127, 128, 129, 135, 136, 137, 138, 139, 145, 146
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Amounts in cents of coins in denominations 1, 5, and 10 cents that must include change for a 25-cent coin. Regarding currently-minted US coins, note that the 25-cent quarter is the only denomination for which a smaller denomination exists (the 10-cent dime) which is not a divisor. As a result, an amount that may consist only of any number of dimes and up to four 1-cent pennies does not guarantee change for a quarter.
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FORMULA
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a(n) = 10 + a(n-5) for n >= 6.
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CROSSREFS
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Cf. A130734.
Sequence in context: A135218 A133507 A046511 this_sequence A003996 A132415 A067810
Adjacent sequences: A140055 A140056 A140057 this_sequence A140059 A140060 A140061
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KEYWORD
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easy,nonn
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AUTHOR
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Rick L. Shepherd (rshepherd2(AT)hotmail.com), May 05 2008
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