OFFSET
1,2
LINKS
FORMULA
From Elmo R. Oliveira, Aug 03 2024: (Start)
G.f.: x*(1 + 3*x + 6*x^2) + x^4/(1 - x).
a(n) = 1 for n >= 4. (End)
E.g.f.: exp(x) - 1 + x^2 + 5*x^3/6. - Stefano Spezia, Aug 04 2024
EXAMPLE
1.3611111111111111111111111...
MATHEMATICA
PadRight[{1, 3, 6}, 100, 1] (* Paolo Xausa, Aug 07 2024 *)
PROG
(PARI) 49/36. \\ Charles R Greathouse IV, Jan 11 2012
CROSSREFS
KEYWORD
AUTHOR
Vincenzo Librandi, May 26 2010
EXTENSIONS
Edited by Rick L. Shepherd, Jun 17 2010
STATUS
approved