a(n) = Sum_{k=0..n} (-1)^k*binomial(n, k)*A000831(k).

A343843

a(n) = Sum_{k=0..n} (-1)^k*binomial(n, k)*A000831(k).

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =-9a(4) =33a(5) =-241a(6) =1761a(7) =-15929a(8) =161473a(9) =-1853281a(10) =23584321a(11) =-330371049a(12) =5047404513a(13) =-83546832721

External references