Detour index of the n-hypercube graph.

Terms

a(0) =0a(1) =1a(2) =16a(3) =184a(4) =1744a(5) =15136a(6) =126016a(7) =1028224a(8) =8306944a(9) =66781696a(10) =535561216a(11) =4289726464a(12) =34338770944a(13) =274794029056