OFFSET
1,4
LINKS
Christian Boyer, Multimagic Squares
Eric Weisstein's World of Mathematics, Multimagic Series.
CROSSREFS
KEYWORD
nonn,nice
AUTHOR
EXTENSIONS
Extended Nov 08 2003, using the values of a(3) through a(11) from Christian Boyer's web site. - N. J. A. Sloane.
a(12) from Christian Boyer (cboyer(AT)club-internet.fr), Nov 05 2004
a(13)-a(15) computed by Lorenz Schlangen and later independently confirmed by Walter Trump. a(16) computed by Walter Trump. - Christian Boyer (cboyer(AT)club-internet.fr), Oct 04 2005
a(17) computed by Walter Trump and communicated by Christian Boyer (cboyer(AT)club-internet.fr), Apr 02 2007
a(18)-a(19) computed by Michael Quist Christian Boyer (cboyer(AT)club-internet.fr), Feb 06 2009
STATUS
approved