Denominators of coefficients in expansion of x^2*(1-exp(-2*x))^(-2).
A104007
Denominators of coefficients in expansion of x^2*(1-exp(-2*x))^(-2).
Terms
- a(0) =4a(1) =2a(2) =12a(3) =6a(4) =60a(5) =90a(6) =378a(7) =945a(8) =2700a(9) =9450a(10) =20790a(11) =93555a(12) =116093250a(13) =638512875a(14) =1403325a(15) =18243225a(16) =43418875500a(17) =325641566250
External references
- oeis: A104007