OFFSET
0,3
COMMENTS
Diagonal sums of number triangle A115524.
LINKS
Index entries for linear recurrences with constant coefficients, signature (-1,-1,0,1,1,1).
FORMULA
G.f.: (1+2x-x^3-2x^4-x^5)/(1+x+x^2-x^4-x^5-x^6).
MATHEMATICA
PadRight[{}, 120, {1, 1, -2, 0, 1, 0, -1, 0, 0, 1, -1, -1}] (* Harvey P. Dale, Aug 20 2021 *)
CROSSREFS
KEYWORD
easy,sign
AUTHOR
Paul Barry, Jan 25 2006
STATUS
approved