Constant term in the expansion of (3 + x + y + z + 1/x + 1/y + 1/z + x*y + y*z + z*x + 1/(x*y) + 1/(y*z) + 1/(z*x) + x*y*z + 1/(x*y*z))^n.
A328808
Constant term in the expansion of (3 + x + y + z + 1/x + 1/y + 1/z + x*y + y*z + z*x + 1/(x*y) + 1/(y*z) + 1/(z*x) + x*y*z + 1/(x*y*z))^n.
Terms
- a(0) =1a(1) =3a(2) =23a(3) =225a(4) =2583a(5) =32133a(6) =422069a(7) =5757699a(8) =80790775a(9) =1158593589a(10) =16905540753a(11) =250185539079
External references
- oeis: A328808