A078619 - OEIS

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A078619

Floor(average of first n factorials).

1, 1, 3, 8, 30, 145, 844, 5779, 45457, 403791, 3995883, 43579692, 519229008, 6709162022, 93440175754, 1395274532769, 22235989448253, 376688084797128, 6759236101851595, 128066374705591015, 2554869984086726681, 53529681701974042741, 1175203032014278503491

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,3

LINKS

Table of n, a(n) for n=1..23.

FORMULA

a(n) = floor((1/n)*(Sum_{i=1..n} i!)).

EXAMPLE

a(3) = floor((1 + 2 + 6)/3) = 3.

MATHEMATICA

s = 0; a = {}; For[i = 1, i <= 30, i++, s = s + i!; a = Append[a, Floor[(1/i) s]]]; a

CROSSREFS