OFFSET
1,12
LINKS
Christian Boyer, Multimagic Squares
Eric Weisstein's World of Mathematics, Magic Series
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Christian Boyer (cboyer(AT)club-internet.fr), May 30 2005
EXTENSIONS
a(15)=0 proved by Robert Gerbitz and communicated by Christian Boyer (cboyer(AT)club-internet.fr), Apr 02 2007
a(16) computed by Michael Quist, and communicated by Christian Boyer (cboyer(AT)club-internet.fr), Feb 06 2009
STATUS
approved