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 A178370 The trisection A178242(3n+2). 1
 7, 25, 26, 44, 133, 187, 125, 161, 403, 493, 296, 350, 817, 943, 539, 611, 1375, 1537, 854, 944, 2077, 2275, 1241, 1349, 2923, 3157, 1700, 1826, 3913, 4183, 2231, 2375, 5047, 5353, 2834, 2996, 6325, 6667, 3509, 3689, 7747 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS A178370(n-1)=-1, 7,25,26,44,133,187,125, + A177049   = 1, 5,14,55,91, 68, 95,253, gives         0,12,39,81,135,201,282,378, which are increasing multiples of 3. a(n) mod 9 = period 4: repeat 7,7,8,8. LINKS Index to sequences with linear recurrences with constant coefficients, signature (3,-6,10,-12,12,-10,6,-3,1). FORMULA A060819(2+3*n)*(A060819(7+3*n)=A176672(n+2)). G.f.: ( -7-4*x+7*x^2-46*x^3+9*x^4-8*x^5-4*x^6-2*x^7+x^8 ) / ( (x-1)^3*(x^2+1)^3 ). - R. J. Mathar, Jan 16 2011 CROSSREFS Sequence in context: A012777 A074783 A065658 * A034125 A196013 A075926 Adjacent sequences:  A178367 A178368 A178369 * A178371 A178372 A178373 KEYWORD nonn,easy AUTHOR Paul Curtz, Dec 21 2010 STATUS approved

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