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A129395
Row sums of A129394.
1
0, 4, -14, 32, 6, -220, 794, -1528, 1038, 4428, -19998, 44528, -49770, -48908, 391210, -1033384, 1520286, -160228, -6341134, 20818496, -37590234, 26378436, 82578234, -374832472, 813526830, -912940820, -677582846, 6058167440, -15935945034, 23495866004, -4618822582, -86184783880
OFFSET
0,2
FORMULA
Empirical g.f.: -2*x*(4*x^4-17*x^3-x-2) / ((x-1)^2*(4*x^2+3*x+1)^2). - Colin Barker, Oct 07 2015
CROSSREFS
Cf. A129394.
Sequence in context: A051409 A072475 A001740 * A023539 A159920 A036486
KEYWORD
sign
AUTHOR
Jonas Wallgren, Apr 13 2007
EXTENSIONS
More terms from R. J. Mathar, Apr 30 2007
STATUS
approved