A119384 Ten's complement of the factorials.

9, 8, 4, 76, 880, 280, 4960, 59680, 637120, 6371200, 60083200, 520998400, 3772979200, 12821708800, 8692325632000, 79077210112000, 644312571904000, 3597626294272000, 878354899591168000, 7567097991823360000, 48909057828290560000, 8875999272222392320000

Offset

1,1

References

J. Earls & J. Rogers, 0.1361015212836455566..., Lulu Press, NY, 2006, p. 32.

Links

Table of n, a(n) for n=1..22.

Amazon.com, 0.1361015212836455566...(Title of split novel)

Formula

a(n) = 10^length(n!) - n!.

Mathematica

Table[10^Length[IntegerDigits[n!]]-n!, {n, 22}] (* James C. McMahon, Sep 13 2024 *)

Crossrefs

Cf. A000142, A110396.

Sequence in context: A343057 A155690 A318135 * A243378 A371219 A256165

Adjacent sequences: A119381 A119382 A119383 * A119385 A119386 A119387

Keyword

base,easy,nonn

Author

Jason Earls, Jul 24 2006

Extensions

a(21)-a(22) from James C. McMahon, Sep 13 2024

Status

approved