Denominators of coefficients in expansion of x^-2*(1-exp(-2*x))^2.
A104097
Denominators of coefficients in expansion of x^-2*(1-exp(-2*x))^2.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =1a(4) =45a(5) =5a(6) =315a(7) =189a(8) =2025a(9) =4725a(10) =467775a(11) =1485a(12) =42567525a(13) =212837625a(14) =91216125a(15) =42567525a(16) =97692469875a(17) =516891375a(19) =236238154425
External references
- oeis: A104097