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A048858
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Number of factors of 1+(n!)^2.
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0
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1, 1, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 2, 1, 3, 2, 2, 2, 2, 2, 5, 3, 4, 3, 1, 3, 5, 7, 2, 2, 6, 4, 4, 5, 4, 3, 3, 3
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,7
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REFERENCES
| H. Ibstedt, A Few Smarandache Integer Sequences, Smarandache Notions Journal, Vol. 8, No. 1-2-3, 1997, pp. 171-183.
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LINKS
| M. L. Perez et al., eds., Smarandache Notions Journal
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MATHEMATICA
| Table[Length[FactorInteger[1 + (n!)^2]], {n, 0, 20}] (* T. D. Noe, Oct 17 2011 *)
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CROSSREFS
| Sequence in context: A073426 A199840 A126067 * A172497 A135265 A144110
Adjacent sequences: A048855 A048856 A048857 * A048859 A048860 A048861
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KEYWORD
| more,nonn
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AUTHOR
| Charles T. Le (charlestle(AT)yahoo.com)
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EXTENSIONS
| Corrected by Arkadiusz Wesolowski, Oct 17 2011
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