Shifts left under "BHJ" (reversible, identity, labeled) transform.

A032081

Shifts left under "BHJ" (reversible, identity, labeled) transform.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =4a(4) =20a(5) =220a(6) =2020a(7) =26310a(8) =332410a(9) =5189380a(10) =83623310a(11) =1551800020a(12) =30389755640a(13) =659473386920

External references