Coefficients of (x^(1/6)*d/dx)^n for positive integer n.

Terms

a(0) =1a(1) =1a(2) =6a(3) =-2a(4) =9a(5) =8a(6) =6a(7) =13a(8) =36a(9) =36a(10) =-42a(11) =70a(12) =-75a(13) =180a(14) =108a(15) =798a(16) =-1162a(17) =945a(18) =-630a(19) =1620a(20) =648a(21) =3192a(22) =-4284a(23) =3052a(24) =-1575a(25) =630a(26) =-2268a(27) =-648a(28) =92568a(29) =-117684