Shifts left under "CHJ" (necklace, identity, labeled) transform.

A032333

Shifts left under "CHJ" (necklace, identity, labeled) transform.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =4a(4) =20a(5) =160a(6) =1240a(7) =13560a(8) =149900a(9) =2011940a(10) =28865620a(11) =475287860a(12) =8289874060a(13) =161736893240

External references