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A111415
f(f(n+1))-f(f(n)), where f(m) = Pell(m) =
A000129
(m).
0
1, 1, 27, 13831, 44560468289, 220167382952941205430116129, 17280083176824678419775054525017769508688140582155308813842797363
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OFFSET
0,3
LINKS
Table of n, a(n) for n=0..6.
CROSSREFS
Sequence in context:
A209261
A001321
A263601
*
A036534
A167731
A357506
Adjacent sequences:
A111412
A111413
A111414
*
A111416
A111417
A111418
KEYWORD
nonn
AUTHOR
N. J. A. Sloane
, Nov 12 2005
EXTENSIONS
~Definition corrected by
N. J. A. Sloane
, Feb 14 2018
STATUS
approved
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Last modified August 19 20:07 EDT 2024. Contains 375310 sequences. (Running on oeis4.)