OFFSET
0,4
FORMULA
D-finite with recurrence +23*n*(n-1) *(n-2)*(n-3) *(702158834117*n -2642264708339)*a(n) +(n-1)*(n-2)*(n-3) *(274111032489685*n^2 -1441648119663883*n +1547289920204088)*a(n-1) -(n-2)*(n-3) *(1306367760610289*n^3 -10158607490993254*n^2 +24925531246659317*n -19653659823998640)*a(n-2) -(n-3) *(2654938487618345*n^4 -29820396132636257*n^3 +121541792292520624*n^2 -210370276220598772*n +127331861061054480)*a(n-3) +5*(-447623853411875*n^5 +7022847379648250*n^4 -42854652051789925*n^3 +125796172798988470*n^2 -174164785968772608*n +87171729139760112)*a(n-4) -5*(5*n-22) *(11699442785*n +64419340659)*(5*n-26) *(5*n-24)*(5*n-23)*a(n-5)=0. - R. J. Mathar, Jul 23 2023
MATHEMATICA
CoefficientList[InverseSeries[Series[y - y^2 - y^3 + y^5, {y, 0, 30}], x], x]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Olivier Gérard, Jul 05 2001.
STATUS
approved