1,3

Characteristic polynomial associated with the ellipic cubic invariant x^8+14*x^4+1.

Gareth Jones and David Singerman, Belyi Functions, Hypermaps and Galois Groups, Bull. London Math. Soc., 28 (1996), 561-590.

Henry MacKean and Victor Moll, Ellipic Curves, Cambridge University Press, New York, 1997, page 22

Tanya Khovanova, Recursive Sequences

M = {{0, 1, 0, 0, 0, 0, 0, 0}, {0, 0, 1, 0, 0, 0, 0, 0}, {0, 0, 0, 1, 0, 0, 0, 0}, {0, 0, 0, 0, 1, 0, 0, 0}, {0, 0, 0, 0, 0, 1, 0, 0}, {0, 0, 0, 0, 0, 0, 1, 0}, {0, 0, 0, 0, 0, 0, 0, 1}, {-1, 0, 0, 0, -14, 0, 0, 0}}; v[1] = Table[1, {n, 1, 8}] v[n_] := v[n] = M.v[n - 1] a = Table[v[4*n][[1]], {n, 1, 25}]

Adjacent sequences: A122569 A122570 A122571 this_sequence A122573 A122574 A122575

Sequence in context: A089138 A051813 A028230 this_sequence A067560 A019553 A112496

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Roger Bagula (rlbagulatftn(AT)yahoo.com), Sep 17 2006

Edited by njas, Dec 04 2006