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A354083 Expansion of e.g.f. (1 + log(1-x))^x. 1

%I #19 May 26 2022 09:52:34

%S 1,0,-2,-6,-16,-55,-288,-2128,-19808,-219546,-2816530,-41002236,

%T -666782136,-11961352104,-234327748900,-4972665181170,

%U -113552835539328,-2774993356571920,-72238332282154344,-1995222148760626392,-58268719729725843880,-1793842001139571701696

%N Expansion of e.g.f. (1 + log(1-x))^x.

%F a(0) = 1; a(n) = -Sum_{k=1..n} A052809(k) * binomial(n-1,k-1) * a(n-k).

%o (PARI) my(N=30, x='x+O('x^N)); Vec(serlaplace((1+log(1-x))^x))

%o (PARI) a_vector(n) = my(v=vector(n+1)); v[1]=1; for(i=1, n, v[i+1]=-sum(j=1, i, j*sum(k=1, j-1, (k-1)!*abs(stirling(j-1, k, 1)))*binomial(i-1, j-1)*v[i-j+1])); v;

%Y Cf. A052809, A351739, A354416.

%K sign

%O 0,3

%A _Seiichi Manyama_, May 26 2022

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)