Equivalent of the Kurepa hypothesis for left factorial.

A056158

Equivalent of the Kurepa hypothesis for left factorial.

Terms

    a(0) =-4a(1) =-2a(2) =-4a(3) =2a(4) =-20a(5) =86a(6) =-532a(7) =3706a(8) =-29668a(9) =266990a(10) =-2669924a(11) =29369138a(12) =-352429684a(13) =4581585862a(14) =-64142202100a(15) =962133031466

External references