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
Offset: 1
Examples
a(1) = 4 since January in Turkish is "Ocak" which has four letters.
Links
- 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)
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