Expansion of the e.g.f. (-1 - 2*x - 2*log(1 - x) + exp(-2*x) / (1 - x)^2) / 4 + 1.
A347571
Expansion of the e.g.f. (-1 - 2*x - 2*log(1 - x) + exp(-2*x) / (1 - x)^2) / 4 + 1.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =2a(4) =9a(5) =44a(6) =280a(7) =2064a(8) =17528a(9) =167488a(10) =1777536a(11) =20721920a(12) =263055232a(13) =3610443264a(14) =53256280064a(15) =839974309888
External references
- oeis: A347571