a(n) = 2^(n-7)*binomial(n,7). Number of 7D hypercubes in an n-dimensional hypercube.

A054851

a(n) = 2^(n-7)*binomial(n,7). Number of 7D hypercubes in an n-dimensional hypercube.

Terms

    a(0) =1a(1) =16a(2) =144a(3) =960a(4) =5280a(5) =25344a(6) =109824a(7) =439296a(8) =1647360a(9) =5857280a(10) =19914752a(11) =65175552a(12) =206389248a(13) =635043840a(14) =1905131520a(15) =5588385792a(16) =16066609152a(17) =45364543488a(18) =126012620800a(19) =344876646400a(20) =931166945280

External references