Shifts left 2 places under "EGJ" (unordered, element, labeled) transform.

A032319

Shifts left 2 places under "EGJ" (unordered, element, labeled) transform.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =5a(6) =19a(7) =104a(8) =278a(9) =1572a(10) =7358a(11) =52634a(12) =339052a(13) =2042566a(14) =15536572a(15) =126846972a(16) =1151836020a(17) =10165085388a(18) =96057148432a(19) =994220454980

External references