login
A355230
E.g.f. A(x) satisfies A'(x) = 1 - log(1-x) * A(2*x).
3
0, 1, 0, 4, 6, 144, 860, 30656, 497168, 33543808, 1300171872, 178516634624, 15640422963968, 4483114311886336, 862178272953520640, 520264199498699214848, 215806526739662643193856, 274505260166616222726586368
OFFSET
0,4
FORMULA
a(0) = 0, a(1) = 1; a(n+1) = Sum_{k=1..n-1} 2^(n-k) * (k-1)! * binomial(n,k) * a(n-k).
PROG
(PARI) a_vector(n) = my(v=vector(n)); v[1]=1; for(i=1, n-1, v[i+1]=sum(j=1, i-1, 2^(i-j)*(j-1)!*binomial(i, j)*v[i-j])); concat(0, v);
CROSSREFS
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Jun 25 2022
STATUS
approved