Doubles (index 2+) under "AIJ" (ordered, indistinct, labeled) transform.

A032037

Doubles (index 2+) under "AIJ" (ordered, indistinct, labeled) transform.

Terms

    a(0) =1a(1) =2a(2) =18a(3) =264a(4) =5400a(5) =141840a(6) =4551120a(7) =172529280a(8) =7545363840a(9) =373944211200

External references