Expansion of (1+x)*(1-6*x-25*x^2)/((1+2x)(1-4x)(1+8x)(1-16x)).
A122911
Expansion of (1+x)*(1-6*x-25*x^2)/((1+2x)(1-4x)(1+8x)(1-16x)).
Terms
- a(0) =1a(1) =5a(2) =139a(3) =1645a(4) =30506a(5) =452860a(6) =7520584a(7) =118102640a(8) =1907343136a(9) =30375432640a(10) =487141579904
External references
- oeis: A122911