id:A143848 - OEIS Search Results

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Real part of x(n) defined as x(n+1)=x(n)^2+i with i=sqrt(-1),

+0
3

1, 1, 0, -9, 80, 6111, 29951360, -207256402585089, -3919788933040280447085605363200, 14683863149476410414382246646213355893861151824423487368369151 (list; graph; listen)

	OFFSET	`1,4`
	COMMENT	`A143849(n) = imaginary part of x(n).`
	FORMULA	`a(n+1) = a(n)^2 - A143849(n)^2.`
	EXAMPLE	`x starts with 1, 1+i, 3i, -9+i, 80-17i, 6111-2719*i, ...`
	CROSSREFS	`A003095.` `Sequence in context: A018913 A127265 A055070 this_sequence A117817 A107346 A014393` `Adjacent sequences: A143845 A143846 A143847 this_sequence A143849 A143850 A143851`
	KEYWORD	`sign`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 03 2008`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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