OFFSET
0,4
COMMENTS
A181586(n) and successive differences:
0, 0, 1, 0, 1, 2,
0, 1, -1, 1, 1, 3,
1, -2, 2, 0, 2, 0,
-3, 4, -2, 2, -2, 6,
7, -6, 4, -4, 8, -4,
-13, 10, -8, 12, -12, 12.
First column is a(n).
LINKS
Index entries for linear recurrences with constant coefficients, signature (-3,-2,2,4).
FORMULA
CROSSREFS
KEYWORD
sign,easy
AUTHOR
Paul Curtz, Jan 31 2011
STATUS
approved