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A144744 Recurrence sequence a(n)=a(n-1)^2-a(n-1)-1, a(0)=4. 5
11, 109, 11771, 138544669, 19194625169774891, 368433635408155743950638444286989, 135743343700069833946317076518699443524748244656296738254150399131 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

a(0)=3 is the smallest integer generating decreasing sequence of the form a(n)=a(n-1)^2-a(n-1)-1

FORMULA

a(n)=a(n-1)^2-a(n-1)-1 and a(0)=4

MATHEMATICA

a = {}; k = 4; Do[k = k^2 - k - 1; AppendTo[a, k], {n, 1, 10}]; a

CROSSREFS

A000058, A082732, A144743, A144745, A144746, A144747, A144748

Sequence in context: A054320 A124290 A094703 * A169631 A103542 A044343

Adjacent sequences:  A144741 A144742 A144743 * A144745 A144746 A144747

KEYWORD

nonn

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Sep 20 2008

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Last modified February 15 03:33 EST 2012. Contains 205694 sequences.