OFFSET
1,5
LINKS
Clark Kimberling, Polynomials associated with reciprocation, JIS 12 (2009) 09.3.4
FORMULA
EXAMPLE
s(1)=x
s(2)=S(2,y)=x-1
s(3)=S(3,y)=x^2-3*x+1
s(4)=S(4,y)=x^4-7*x^3+13*x^2-7*x+1
so that as an array A147990 begins with
1
1 -1
1 -3 1
1 -7 13 -7 1
CROSSREFS
KEYWORD
sign,tabl
AUTHOR
Clark Kimberling, Nov 25 2008
STATUS
approved