OFFSET
0,2
COMMENTS
LINKS
Clark Kimberling, Rows 0..100, flattened
FORMULA
f(0,x) = 1/1, so that p(0,x) = 1
f(1,x) = (2 + 2 x)/1, so that p(1,x) = 2 + 2 x;
f(2,x) = (3 + 5 x)/(2 + 2 x), so that p(2,x) = 3 + 5 x.
First 6 rows of the triangle of coefficients:
1
2 2
3 5
5 15 8
8 35 33
13 80 131 48
MATHEMATICA
PROG
(PARI) rown(n) = if (n==0, 1, 1 + (2*x+1)/rown(n-1));
tabl(nn) = for (n=0, nn, print(Vecrev(numerator(rown(n))))); \\ Michel Marcus, Oct 28 2014
CROSSREFS
KEYWORD
nonn,tabf,easy
AUTHOR
Clark Kimberling, Oct 23 2014
STATUS
approved