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1,2
Horadam, K. J., Hadamard matrices and their applications. Princeton University Press, Princeton, NJ, 2007. xiv+263 pp. See p. 132.
Table of n, a(n) for n=1..4.
Sequence in context: A181013 A003720 A002884 * A264358 A264796 A266852
Adjacent sequences: A198173 A198174 A198175 * A198177 A198178 A198179
nonn,more
N. J. A. Sloane, Feb 05 2012
approved