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A077458 a(n) = (a(n-1)*a(n-2) + a(n-2)*a(n-3) + 1)/a(n-4). 3
1, 1, 1, 1, 3, 5, 19, 111, 735, 16739, 651829, 98407827, 87287056369, 513160504664273, 68717836252612920369, 358338159175285830378865425, 282106236246621697477649374210221427 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Seiichi Manyama, Table of n, a(n) for n = 1..28

CROSSREFS

Sequence in context: A251617 A055452 A184254 * A294382 A201108 A291920

Adjacent sequences:  A077455 A077456 A077457 * A077459 A077460 A077461

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Nov 30 2002

STATUS

approved

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Last modified November 24 17:36 EST 2020. Contains 338616 sequences. (Running on oeis4.)