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A111914 Expansion of -x^2*(x^4-2*x^3+x^2-2*x+1)*(x+1)^2/((x-1)*(x^8-x^4+1)). 3
0, 0, 1, 1, -1, -3, -4, -4, -5, -7, -9, -9, -8, -8, -9, -9, -7, -5, -4, -4, -3, -1, 1, 1, 0, 0, 1, 1, -1, -3, -4, -4, -5, -7, -9, -9, -8, -8, -9, -9, -7, -5, -4, -4, -3, -1, 1, 1, 0, 0, 1, 1, -1, -3, -4, -4, -5, -7, -9, -9, -8, -8, -9, -9, -7, -5, -4, -4, -3, -1, 1, 1, 0, 0, 1, 1, -1, -3, -4, -4, -5, -7, -9, -9, -8, -8, -9, -9, -7, -5, -4, -4 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,6

COMMENTS

It appears that (a(n)) has period 24.

LINKS

Table of n, a(n) for n=0..91.

PROG

4jbasesigcycsumseq[ + .5'i + .5j' + .5'ij' + .5e], sumtype: Y[8] = (int)Y[6] - (int)Y[7] + Y[8] + sum (internal program code); apart from initial term 0.

CROSSREFS

Cf. A111912, A111913, A111915, A085846.

Sequence in context: A157726 A082223 A098181 * A051665 A028263 A059179

Adjacent sequences:  A111911 A111912 A111913 * A111915 A111916 A111917

KEYWORD

easy,sign

AUTHOR

Creighton Dement, Aug 20 2005

STATUS

approved

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Last modified August 19 06:42 EDT 2017. Contains 290794 sequences.