Binomial convolution of A069321(n), where A069321(0)=0, with the sequence of all 1's alternating in sign.

A091346

Binomial convolution of A069321(n), where A069321(0)=0, with the sequence of all 1's alternating in sign.

Terms

    a(0) =0a(1) =1a(2) =3a(3) =19a(4) =135a(5) =1171a(6) =11823a(7) =136459a(8) =1771815a(9) =25561891a(10) =405658143a(11) =7022891899a(12) =131714587095

External references