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Search: id:A072882
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A072882 A recurrence of order 3 : a(1)=a(2)=a(3)=1; a(n)=(a(n-1)+a(n-2))^2/a(n-3). +0
2
1, 1, 1, 4, 25, 841, 187489, 1418727556, 2393959458891025, 30567386265691995561839449, 658593751358960570203157512237008273218521, 181183406309644143341701434158730639946454023369335051404405528107396 (list; graph; listen)
OFFSET

1,4

COMMENT

terms are perfect squares.

CROSSREFS

Sequence in context: A123129 A075577 A004019 this_sequence A014253 A132553 A144229

Adjacent sequences: A072879 A072880 A072881 this_sequence A072883 A072884 A072885

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Jul 28 2002

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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