OFFSET
1,1
COMMENTS
Period 12: repeat [4, 5, 4, 5, 5, 7, 6, 7, 5, 4, 5, 6].
In Turkish, the months are "Ocak", "Subat", "Mart", "Nisan", "Mayis", "Haziran", "Temmuz", "Agustos", "Eylul", "Ekim", "Kasim", "Aralik" beginning from January.
LINKS
Wikipedia, Turkish months.
Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,0,0,0,0,1).
FORMULA
From Elmo R. Oliveira, Jul 20 2024: (Start)
G.f.: x*(4 + 5*x + 4*x^2 + 5*x^3 + 5*x^4 + 7*x^5 + 6*x^6 + 7*x^7 + 5*x^8 + 4*x^9 + 5*x^10 + 6*x^11)/(1 - x^12).
a(n) = a(n-12) for n > 12. (End)
EXAMPLE
a(1) = 4 since January in Turkish is "Ocak" which has four letters.
CROSSREFS
KEYWORD
nonn,word,easy
AUTHOR
Hasan Yurtoglu, May 02 2012
STATUS
approved