a(n) = Sum_{j=0..n} |Stirling1(2*n, j)|.

A349783

a(n) = Sum_{j=0..n} |Stirling1(2*n, j)|.

Terms

    a(0) =1a(1) =1a(2) =17a(3) =619a(4) =38009a(5) =3555161a(6) =475971957a(7) =87025015687

External references