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A111415 f(f(n+1))-f(f(n)), where f(m) = Pell(m) = A000129(m). 0

%I #5 Feb 14 2018 21:12:29

%S 1,1,27,13831,44560468289,220167382952941205430116129,

%T 17280083176824678419775054525017769508688140582155308813842797363

%N f(f(n+1))-f(f(n)), where f(m) = Pell(m) = A000129(m).

%K nonn

%O 0,3

%A _N. J. A. Sloane_, Nov 12 2005

%E ~Definition corrected by _N. J. A. Sloane_, Feb 14 2018

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)