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A001443
Number of strong starters in cyclic group of order 2n+1.
1
0, 0, 2, 0, 4, 8, 32, 224, 800, 6660, 27554, 158680, 1201626, 9415980, 76761968, 672858900, 6015305136, 59514095596
OFFSET
1,3
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.
LINKS
Vesa Linja-aho, Patric R. J. Östergård, Classification of starters, J. Combin. Math. Combin. Comput. 75 (2010), 153-159
CROSSREFS
Cf. A006205.
Sequence in context: A295321 A372002 A366363 * A195287 A070015 A021492
KEYWORD
nonn,more
EXTENSIONS
Corrected and extended by Vesa Linja-aho (vesa.linja-aho(AT)tkk.fi), May 06 2009
STATUS
approved