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A001443
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Number of strong starters in cyclic group of order 2n+1.
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1
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0, 0, 2, 0, 4, 8, 32, 224, 800, 6660, 27554, 158680, 1201626, 9415980, 76761968, 672858900, 6015305136, 59514095596
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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REFERENCES
| CRC Handbook of Combinatorial Designs, 1996, p. 469.
W. L. Kocay et al., On strong starters in cyclic groups, Discrete Math., 56 (1985), 45-60.
Classification of starters, V. Linja-aho and P. R. J. Ostergard, Journal of Combinatorial Mathematics and Combinatorial Computing, to appear. [From Vesa Linja-aho (vesa.linja-aho(AT)tkk.fi), May 06 2009]
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LINKS
| Classification of starters, V. Linja-aho and P. R. J. Ostergard, Journal of Combinatorial Mathematics and Combinatorial Computing, to appear. [From Vesa Linja-aho (vesa.linja-aho(AT)tkk.fi), May 06 2009]
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CROSSREFS
| Cf. A006205.
Sequence in context: A120710 A115780 A101189 * A195287 A070015 A021492
Adjacent sequences: A001440 A001441 A001442 * A001444 A001445 A001446
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| Corrected and extended by Vesa Linja-aho (vesa.linja-aho(AT)tkk.fi), May 06 2009
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