OFFSET
0,1
LINKS
Tanya Khovanova, Recursive Sequences.
Index entries for linear recurrences with constant coefficients, signature (2,-1).
FORMULA
From Elmo R. Oliveira, May 25 2025: (Start)
G.f.: 3*(1 + 24*x)/(1-x)^2.
E.g.f.: 3*exp(x)*(1 + 25*x).
a(n) = 3*A158060(n) for n > 0.
a(n) = 2*a(n-1) - a(n-2). (End)
MATHEMATICA
75*Range[0, 50]+3 (* Paolo Xausa, Feb 16 2024 *)
PROG
(PARI) a(n)=3*(25*n+1) \\ Charles R Greathouse IV, Jul 10 2016
(PARI) my(x='x+O('x^48)); Vec(3*(1+24*x)/(1-x)^2) \\ Elmo R. Oliveira, May 25 2025
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
George E. Antoniou, Aug 25 2004
EXTENSIONS
More terms from Robert G. Wilson v and Mark Hudson (mrmarkhudson(AT)hotmail.com), Aug 26 2004
a(45)-a(47) from Elmo R. Oliveira, May 25 2025
STATUS
approved
