OFFSET
0,2
COMMENTS
Column 3 of A114202. Third differences are 1,1,7,5,5,5,5,5,... with g.f. (1+6x^2-2x^3)/(1-x).
LINKS
Index entries for linear recurrences with constant coefficients, signature (4,-6,4,-1).
FORMULA
EXAMPLE
[1,3,9,5]=[1*1,3*1,3*3,1*5]=[C(3,0)*J(1),C(3,1)*J(2),C(3,2)*J(3),C(3,3)*J(4)].
MATHEMATICA
CoefficientList[Series[(1+6x^2-2x^3)/(1-x)^4, {x, 0, 75}], x] (* Harvey P. Dale, Mar 06 2011 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Paul Barry, Nov 17 2005
STATUS
approved