OFFSET
0,6
COMMENTS
Diagonal sums of number triangle A115952.
LINKS
Index entries for linear recurrences with constant coefficients, signature (-1,-1,0,1,1,1)
FORMULA
G.f.: (1-x^3-x^5)/((1-x^3)(1+x+x^2+x^3))
MATHEMATICA
LinearRecurrence[{-1, -1, 0, 1, 1, 1}, {1, -1, 0, 0, 1, -2}, 80] (* or *) PadRight[{}, 80, {1, -1, 0, 0, 1, -2, 1, 0, 0, -1, 1, -1}] (* Harvey P. Dale, Jan 28 2023 *)
CROSSREFS
KEYWORD
easy,sign
AUTHOR
Paul Barry, Feb 02 2006
STATUS
approved