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A039796 Sequence arising in search for Legendre sequences. 0
1, 2, 2, 9, 17, 18, 82, 146, 209, 408, 1113, 1540, 3294, 7076, 11308, 10940, 39014, 46470, 109780 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..19.

R. J. Fletcher, M. Gysin and J. Seberry, Application of the discrete Fourier transform to the search for generalised Legendre pairs and Hadamard matrices, Australas. J. Combin. 23 (2001), 75-86.

CROSSREFS

Sequence in context: A278458 A309705 A290604 * A224244 A007024 A019223

Adjacent sequences:  A039793 A039794 A039795 * A039797 A039798 A039799

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 15 21:38 EDT 2021. Contains 348034 sequences. (Running on oeis4.)