A tabular sequence of arrays counting ordered factorizations over least prime signatures. The unordered version is described by sequence A129306.

A131420

A tabular sequence of arrays counting ordered factorizations over least prime signatures. The unordered version is described by sequence A129306.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =4a(4) =8a(5) =13a(6) =8a(7) =20a(8) =44a(9) =75a(10) =26a(11) =16a(12) =48a(13) =132a(14) =308a(15) =541a(16) =76a(17) =176a(18) =32a(19) =112a(20) =368a(21) =1076a(22) =2612a(23) =4683a(24) =208a(25) =604a(26) =1460a(27) =252a(28) =818a(29) =64

External references