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(MAGMAMagma) [n^2-79*n+1601: n in [0..80]]; // Vincenzo Librandi, Feb 27 2017
editing
approved
Edited by N. J. A. Sloane at the suggestion of _Andrew S. Plewe_, May 16 2007
Andrew Howroyd, <a href="/A060566/b060566_2.txt">Table of n, a(n) for n = 0..1000</a> (terms 0..500 from Harry J. Smith and Miquel Cerda)
proposed
approved
editing
proposed
From Vincenzo Librandi, Feb 27 2017: (Start)
G.f.: (1601 - 3280*x + 1681*x^2)/(1 - x)^3. a(n) = 3*a(n-1) - 3*a(n-2) + a(n-3). - _Vincenzo Librandi_, Feb 27 2017
a(n) = 3*a(n-1) - 3*a(n-2) + a(n-3).
(End)
(PARI) { for a(n) =1, 500, write("b060566.txt", n, " ", { n^2 - 79*n + 1601); ) } \\ Harry J. Smith, Jul 07 2009
a(125) in b-file corrected by Andrew Howroyd, Feb 21 2018
approved
editing
_Jason Earls (zevi_35711(AT)yahoo.com), _, Apr 11 2001
Miquel Cerda, <a href="/A060566/b060566_1.txt">Table of n, a(n) for n = 0..140</a>