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Search: id:A072880
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A072880 A recurrence of order 6 : a(1)=a(2)=a(3)=a(4)=a(5)=a(6)=1; a(n)=(a(n-1)^2+a(n-2)^2+a(n-3)^2+a(n-4)^2+a(n-5)^2)/a(n-6). +0
1
1, 1, 1, 1, 1, 1, 5, 29, 869, 756029, 571580604869, 326704387862983487112029, 21347151409785350408171299054974277225256721769, 15713823217665540462976624783900822313284439536736221766688609460305249837839107387688348185 (list; graph; listen)
OFFSET

1,7

CROSSREFS

Cf. A006720.

Sequence in context: A103783 A103515 A069142 this_sequence A112959 A085553 A057208

Adjacent sequences: A072877 A072878 A072879 this_sequence A072881 A072882 A072883

KEYWORD

easy,nonn

AUTHOR

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

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.


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