Expansion of sqrt( (1+x + sqrt(1-18*x+x^2)) / (2*(1-18*x+x^2)) ).
A243946
Expansion of sqrt( (1+x + sqrt(1-18*x+x^2)) / (2*(1-18*x+x^2)) ).
Terms
- a(0) =1a(1) =7a(2) =91a(3) =1345a(4) =20995a(5) =337877a(6) =5544709a(7) =92234527a(8) =1549694195a(9) =26237641045a(10) =446925926881
External references
- oeis: A243946