OFFSET
0,3
LINKS
FORMULA
G.f.: x*(1 + 29*x)/(1 - x)^3.
E.g.f.: exp(x)*(x + 15*x^2).
MATHEMATICA
Table[n (15 n - 14), {n, 30}]
PROG
(PARI) a(n)=n*(15*n-14) \\ Charles R Greathouse IV, Feb 07 2023
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Nikolaos Pantelidis, Feb 07 2023
STATUS
approved