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A049071 Expansion of x*(3-2*x)/(1-x^2). 1
0, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3, -2, 3 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

B. R. Myers, On spanning trees..., SIAM Rev., 17 (1975), 465-474.

MATHEMATICA

CoefficientList[Series[x (3-2x)/(1-x^2), {x, 0, 150}], x]  (* From Harvey P. Dale, Mar 23 2011 *)

CROSSREFS

Sequence in context: A101406 A097509 A095206 * A168330 A176059 A029211

Adjacent sequences:  A049068 A049069 A049070 * A049072 A049073 A049074

KEYWORD

sign

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 10:05 EST 2012. Contains 206009 sequences.