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A048933
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Smallest factor i of any factorization used in the definition of A014575(n).
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7
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21, 15, 35, 30, 21, 27, 80, 201, 260, 210, 204, 150, 135, 158, 152, 161, 167, 141, 201, 231, 281, 152, 231, 204
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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REFERENCES
| C. A. Pickover, "Vampire Numbers." Ch. 30 in Keys to Infinity. New York: Wiley, pp. 227-231, 1995.
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LINKS
| Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
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CROSSREFS
| The following sequences are all closely related: A020342, A014575, A080718, A048936, A144563.
Cf. A048934, ..., A048939.
Sequence in context: A118296 A068015 A040422 * A142590 A105706 A022977
Adjacent sequences: A048930 A048931 A048932 * A048934 A048935 A048936
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KEYWORD
| nonn,base,more
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AUTHOR
| Eric Weisstein (eric(AT)weisstein.com)
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EXTENSIONS
| Edited by N. J. A. Sloane (njas(AT)research.att.com), Jan 03 2009
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