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A036500
Number of inequivalent cyclic Hadamard difference sets with parameters (2^n-1, 2^(n-1)-1, 2^(n-2)-1).
0
1, 1, 1, 1, 2, 2, 6, 4, 5, 10
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OFFSET
1,5
LINKS
Table of n, a(n) for n=1..10.
P. Gaal and S. W. Golomb,
Exhaustive determination of (1023,511,255) cyclic Hadamard difference sets
, Math. Comp. Math. Comp. 70 (2001), no. 233, 357-366.
CROSSREFS
Sequence in context:
A264695
A112336
A028390
*
A371824
A077080
A273012
Adjacent sequences:
A036497
A036498
A036499
*
A036501
A036502
A036503
KEYWORD
nonn
,
nice
,
hard
,
more
AUTHOR
N. J. A. Sloane
STATUS
approved
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Last modified May 16 17:27 EDT 2024. Contains 372554 sequences. (Running on oeis4.)