Number of surjections from an n-element set onto a seven-element set.
A135456
Number of surjections from an n-element set onto a seven-element set.
Terms
- a(0) =5040a(1) =141120a(2) =2328480a(3) =29635200a(4) =322494480a(5) =3162075840a(6) =28805736960a(7) =248619571200
External references
- oeis: A135456