Expansion of x*(2 - 3*x + x^2 - 4*x^3 + 3*x^4 - 2*x^5 + x*(1 - x - x^3)*sqrt((1 + 2*x)/(1 - 2*x)))/(2*(1 - 3*x + 3*x^2 - 3*x^3 + 4*x^4 - 3*x^5 + 2*x^6)).
A160254
Expansion of x*(2 - 3*x + x^2 - 4*x^3 + 3*x^4 - 2*x^5 + x*(1 - x - x^3)*sqrt((1 + 2*x)/(1 - 2*x)))/(2*(1 - 3*x + 3*x^2 - 3*x^3 + 4*x^4 - 3*x^5 + 2*x^6)).
Terms
- a(0) =1a(1) =2a(2) =4a(3) =7a(4) =13a(5) =24a(6) =44a(7) =81a(8) =151a(9) =280a(10) =525a(11) =984a(12) =1859a(13) =3511a(14) =6682a(15) =12709a(16) =24334a(17) =46565a(18) =89626a(19) =172381a(20) =333262a(21) =643733a(22) =1249147a(23) =2421592a(24) =4713715a(25) =9165792a(26) =17888456a(27) =34873456a(28) =68212220a(29) =133269997
External references
- oeis: A160254