[seqfan] Re: sequence from a test A171371

Simon Plouffe simon.plouffe at gmail.com
Mon Dec 7 16:57:31 CET 2009


 I think this type of recurrence is kind of easy to solve explicitely,

a(n) = (-3/17*17^(1/2)+4)*(3+17^(1/2))^n+(3/17*17^(1/2)+4)*(3-17^(1/2))^n

I obtained that formula from GFUN: listtorec, then rsolve.

Simon Plouffe

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