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A161563
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Factorials of double factorials.
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1
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OFFSET
| 1,3
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COMMENTS
| As of version 7, Mathematica parses n!!! as (n!!)!. This sequence is not to be confused with the triple factorials A007661 or A161474 which are usually denoted n!!!.
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MATHEMATICA
| lst={}; Do[AppendTo[lst, n!!! ], {n, 0, 9}]; lst
(* alternately *) Array[ #!!!&, 9, 0]
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CROSSREFS
| Sequence in context: A115658 A005607 A184391 * A135408 A165710 A151995
Adjacent sequences: A161560 A161561 A161562 * A161564 A161565 A161566
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KEYWORD
| nonn
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AUTHOR
| Vladimir Orlovsky (4vladimir(AT)gmail.com), Jun 13 2009
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EXTENSIONS
| Corrected by Charles R Greathouse IV (charles.greathouse(AT)case.edu), Nov 11 2009
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