A087935 - OEIS

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A087935

Perrin sequence of order 5.

5, 0, 0, 0, 4, 5, 0, 0, 4, 9, 5, 0, 4, 13, 14, 5, 4, 17, 27, 19, 9, 21, 44, 46, 28, 30, 65, 90, 74, 58, 95, 155, 164, 132, 153, 250, 319, 296, 285, 403, 569, 615, 581, 688, 972, 1184, 1196, 1269, 1660, 2156, 2380, 2465, 2929, 3816, 4536, 4845, 5394, 6745, 8352, 9381 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	COMMENTS	`If p is prime, p divides a(p).`
	LINKS	`T. D. Noe, Table of n, a(n) for n=0..1000`
	FORMULA	`a(0)=5, a(1)=a(2)=a(3)=0, a(n)=a(n-4)+a(n-5); a(n)=(x_1)^n+(x_2)^n+(x_3)^n+(x_4)^n+(x_5)^n where (x_i) 1<=i<=5 are the roots of x^5=x+1`
	CROSSREFS	`Cf. A001608, A050443.` `Cf. A087936` `Sequence in context: A106222 A090750 A036297 * A089877 A079074 A047754` `Adjacent sequences: A087932 A087933 A087934 * A087936 A087937 A087938`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Oct 27 2003`

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Last modified February 14 08:18 EST 2012. Contains 205608 sequences.