Equivalent of the Kurepa hypothesis for left factorial.

A052169

Equivalent of the Kurepa hypothesis for left factorial.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =19a(4) =91a(5) =531a(6) =3641a(7) =28673a(8) =254871a(9) =2523223a(10) =27526069a(11) =328018989a(12) =4239014627a(13) =59043418019a(14) =881715042417

External references