OFFSET
0,2
FORMULA
a(n) = 3*Gould(n - 1) + Bell(n) for n >= 1.
a(n) = Sum_{k=1..n} binomial(n-1, k-1)*a(n-k) for n >= 2.
PROG
(Julia)
function A352683List(len)
a = 4; P = BigInt[1]; T = BigInt[1]
for n in 1:len-1
T = vcat(T, a)
P = cumsum(vcat(a, P))
a = P[end]
end
T end
A352683List(25) |> println
CROSSREFS
KEYWORD
nonn
AUTHOR
Peter Luschny, Mar 30 2022
STATUS
approved