A182495 - OEIS

A182495

Number of letters in Turkish words for months of year.

4, 5, 4, 5, 5, 7, 6, 7, 5, 4, 5, 6, 4, 5, 4, 5, 5, 7, 6, 7, 5, 4, 5, 6, 4, 5, 4, 5, 5, 7, 6, 7, 5, 4, 5, 6, 4, 5, 4, 5, 5, 7, 6, 7, 5, 4, 5, 6, 4, 5, 4, 5, 5, 7, 6, 7, 5, 4, 5, 6, 4, 5, 4, 5, 5, 7, 6, 7, 5, 4, 5, 6, 4, 5, 4, 5, 5, 7, 6, 7, 5, 4, 5, 6, 4, 5, 4

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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

Table of n, a(n) for n=1..87.

Wikipedia, Turkish months.

Index entries for sequences related to calendars.

Index to 12-periodic sequences.

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.