Triangle read by rows: T(n,k) is the number of symmetries of the n-dimensional hypercube that fix exactly 2*k facets; n,k >= 0.

A342381

Triangle read by rows: T(n,k) is the number of symmetries of the n-dimensional hypercube that fix exactly 2*k facets; n,k >= 0.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =5a(4) =2a(5) =1a(6) =29a(7) =15a(8) =3a(9) =1a(10) =233a(11) =116a(12) =30a(13) =4a(14) =1a(15) =2329a(16) =1165a(17) =290a(18) =50a(19) =5a(20) =1a(21) =27949a(22) =13974a(23) =3495a(24) =580a(25) =75a(26) =6a(27) =1a(28) =391285a(29) =195643

External references