OFFSET
1,2
COMMENTS
EXAMPLE
The table starts
0; # 0
2; # 2
3; # 3
2,4; # 4+2*x
5,5; # 5+5*x
2,9,6; # 6+9*x+2*x^2
7,14,7; # 7+14*x+7*x^2
2,16,20,8; # 8+20*x+16*x^2+2*x^3
9,30,27,9; # 9+27*x+30*x^2+9*x^3
2,25,50,35,10; # 10+35*x+50*x^2+25*x^3+2*x^4
11,55,77,44,11; # 11+44*x+77*x^2+55*x^3+11*x^4
MATHEMATICA
p[0]:=0 p[1]:=2; p[n_]:=p[n]=Expand[p[n-1] +x p[n-2]+1]; Flatten[{0, Map[Reverse[CoefficientList[#, x]]&, Table[Expand[p[n]], {n, 0, 20}]]}] (* Peter J. C. Moses, Aug 18 2013 *)
CROSSREFS
KEYWORD
nonn,easy,tabf
AUTHOR
Vladimir Shevelev, Mar 24 2010
EXTENSIONS
Definition rephrased, sequence extended, keyword:tabf, examples added R. J. Mathar, Nov 01 2010
STATUS
approved