Array read by ascending antidiagonals where T(n,k) is the number of paths of length k from the origin to a facet of the cross polytope of size k in Z^n.
A371064
Array read by ascending antidiagonals where T(n,k) is the number of paths of length k from the origin to a facet of the cross polytope of size k in Z^n.
Terms
- a(0) =2a(1) =4a(2) =2a(3) =6a(4) =12a(5) =2a(6) =8a(7) =30a(8) =28a(9) =2a(10) =10a(11) =56a(12) =126a(13) =60a(14) =2a(15) =12a(16) =90a(17) =344a(18) =462a(19) =124a(20) =2a(21) =14a(22) =132a(23) =730a(24) =1880a(25) =1566a(26) =252a(27) =2a(28) =16a(29) =182
External references
- oeis: A371064