G.f.: A(x) satisfies A(x) = x/(1 - (1-2x)*A( x/(1-2x) )).
A179488
G.f.: A(x) satisfies A(x) = x/(1 - (1-2x)*A( x/(1-2x) )).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =32a(5) =172a(6) =1052a(7) =7177a(8) =53792a(9) =437992a(10) =3841772a(11) =36060262a(12) =360234512a(13) =3812425912a(14) =42576007352a(15) =500022862357
External references
- oeis: A179488