OFFSET
1,3
LINKS
Peter Kagey, Table of n, a(n) for n = 1..1000
EXAMPLE
For n = 3:
a(3) != 1 or else det([1, 1; 2, 1]) = -1 = det([1, 1; 3, 1]);
a(3) != 2 or else det([1, 1; 2, 1]) = -1 = det([1, 1; 3, 2]); therefore,
a(3) = 3.
CROSSREFS
KEYWORD
nonn
AUTHOR
Peter Kagey, May 10 2017
STATUS
approved