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 A161376 Number of letters in Spanish words for months of the year. 3
 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; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS 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. LINKS FORMULA 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. - Paolo P. Lava, Jun 17 2009 CROSSREFS Cf. A031139. Sequence in context: A201944 A165242 A104542 * A107437 A317083 A122271 Adjacent sequences:  A161373 A161374 A161375 * A161377 A161378 A161379 KEYWORD nonn,word AUTHOR Claudio Meller, Jun 08 2009 STATUS approved

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Last modified May 22 19:46 EDT 2019. Contains 323481 sequences. (Running on oeis4.)