OFFSET
0,2
LINKS
Eric Weisstein's World of Mathematics, Nonsingular Matrix.
FORMULA
a(n) = 2^(2*n-1) * A055165(n-1) for n>=1.
CROSSREFS
KEYWORD
nonn,nice
AUTHOR
EXTENSIONS
a(5) from Winston C. Yang (winston(AT)cs.wisc.edu), Aug 26 2000
a(6)-a(8) computed from A055165 by David desJardins, Apr 22 2001
a(9) from Max Alekseyev, computed from A055165, Jan 15 2007
a(0)=1 prepended by Alois P. Heinz, May 29 2024
STATUS
approved