Exponential convolution of A000670(n), with A000670(0)=0, with the sequence of all ones alternating in sign.
A089677
Exponential convolution of A000670(n), with A000670(0)=0, with the sequence of all ones alternating in sign.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =7a(4) =37a(5) =271a(6) =2341a(7) =23647a(8) =272917a(9) =3543631a(10) =51123781a(11) =811316287a(12) =14045783797a(13) =263429174191
External references
- oeis: A089677