OFFSET
1,10
COMMENTS
Can be extracted from the top left element of the n-th power of the 9 X 9 matrix shown in the Mathematica program.
LINKS
Index entries for linear recurrences with constant coefficients, signature (1,8,-7,-21,15,20,-10,-5,1).
MATHEMATICA
M = {{0, 1, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 1, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 1, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 1, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 1, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 1, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 1, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 1}, {1, -5, -10, 20, 15, -21, -7, 8, 1}}; v[1] = Table[1, {n, 0, 8}]; v[n_] := v[n] = M.v[n - 1] a = Table[Floor[v[n][[1]]], {n, 1, 50}]
CROSSREFS
KEYWORD
nonn,less
AUTHOR
Roger L. Bagula and Gary W. Adamson, Sep 20 2006
STATUS
approved