OFFSET
1,2
COMMENTS
a(1) = 1; for n>1, a(n) = numbers of letters in Polish name for a(n-1).
Decimal expansion of 515/333. - Elmo R. Oliveira, May 05 2024
LINKS
Robert Bilinski, Table of n, a(n) for n = 1..99
Index entries for linear recurrences with constant coefficients, signature (0,0,1).
FORMULA
a(n) = a(n-3) for n > 4. - Elmo R. Oliveira, May 05 2024
EXAMPLE
Jeden, pięć, cztery, sześć, pięć, ...
CROSSREFS
KEYWORD
nonn,word,easy
AUTHOR
Robert Bilinski, Oct 09 2019
STATUS
approved