Constant term in the expansion of (1 + w + x + y + z + 1/w + 1/x + 1/y + 1/z)^n.
A328714
Constant term in the expansion of (1 + w + x + y + z + 1/w + 1/x + 1/y + 1/z)^n.
Terms
- a(0) =1a(1) =1a(2) =9a(3) =25a(4) =217a(5) =921a(6) =7761a(7) =41889a(8) =345465a(9) =2162617a(10) =17605249a(11) =121120209a(12) =980612161a(13) =7174425025a(14) =58079091513a(15) =442755733065
External references
- oeis: A328714