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Search: id:A161376
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| A161376 |
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Number of letters in Spanish words for months of year |
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+0
1
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| 5, 7, 5, 5, 4, 5, 5, 6, 10, 7, 9, 9, 5, 7, 5, 5, 4, 5, 5, 6, 10, 7, 9, 9, 5, 7, 5, 5, 4, 5, 5, 6, 10, 7, 9, 9
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Enero = 5 letters ; Febrero = 7; Marzo = 5; Abril = 5; Mayo = 4; Junio = 5;
Julio = 5; Agosto = 6; Septiembre = 10; Octubre = 7; Noviembre = 9; Diciembre = 9
Period 12.
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FORMULA
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a(n)=(1/72)*{31*(n mod 12)+7*[(n+1) mod 12]-5*[(n+2) mod 12]+25*[(n+3) mod 12]-17*[(n+4) mod 12]+[(n+5) mod 12]+7*[(n+6) mod 12]+[(n+7) mod 12]+13*[(n+8) mod 12]+7*[(n+9) mod 12]+19*[(n+10) mod 12]-5*[(n+11) mod 12]}, with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Jun 17 2009]
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CROSSREFS
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A031139
Sequence in context: A123489 A165242 A104542 this_sequence A107437 A122271 A011205
Adjacent sequences: A161373 A161374 A161375 this_sequence A161377 A161378 A161379
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KEYWORD
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nonn,word
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AUTHOR
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Claudio L Meller (claudiomeller(AT)gmail.com), Jun 08 2009
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