a(n) is the number consisting of the last n digits (although any leading 0's among those last n digits are omitted) of Sum_{j=1..k} j! for all sufficiently large k.

A045748

a(n) is the number consisting of the last n digits (although any leading 0's among those last n digits are omitted) of Sum_{j=1..k} j! for all sufficiently large k.

Terms

    a(0) =3a(1) =13a(2) =313a(3) =313a(4) =40313a(5) =940313a(6) =940313a(7) =20940313a(8) =420940313a(9) =420940313a(10) =20420940313a(11) =920420940313

External references