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Search: id:A078619
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| A078619 |
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Floor(average of first n factorials). |
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+0
1
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| 1, 1, 3, 8, 30, 145, 844, 5779, 45457, 403791, 3995883, 43579692, 519229008, 6709162022, 93440175754, 1395274532769, 22235989448253, 376688084797128, 6759236101851595, 128066374705591015, 2554869984086726681
(list; graph; listen)
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OFFSET
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1,3
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FORMULA
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a(n) = Floor((1/n)(Sum_{i=1, ..., n} i!)
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EXAMPLE
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a(3) = Floor((1 + 2 + 6)/3) = 3.
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MATHEMATICA
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s = 0; a = {}; For[i = 1, i <= 30, i++, s = s + i!; a = Append[a, Floor[(1/i) s]]]; a
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CROSSREFS
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Sequence in context: A009123 A066764 A059171 this_sequence A066304 A066165 A119838
Adjacent sequences: A078616 A078617 A078618 this_sequence A078620 A078621 A078622
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KEYWORD
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easy,nonn
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AUTHOR
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Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Dec 10 2002
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