A006830 - OEIS

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A006830

From fundamental unit of Z[ (-n)^1/4 ].
(Formerly M3349)

-1, 1, 1, -1, -4, 9, -2, 0, -1, -45, 4, 3, 2, -7, 0, -1, -36792, -11320425, -2, -24, -267972, 352849, -10, 0, 17, 135531, -12, 189709, -21012, -371631, -1008, 32, 8, 34255, 0, -71847, 147714465189436, 840, 78 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,5`
	REFERENCES	`N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).`
	LINKS	`Table of n, a(n) for n=1..39.` `J. Buchmann, The computation of the fundamental unit of totally complex quartic orders, Math. Comp. 48 (1987), 39-54.`
	CROSSREFS	`Cf. A006828, A006829, A006831.` `Sequence in context: A032523 A032760 A129970 * A238592 A229553 A254061` `Adjacent sequences: A006827 A006828 A006829 * A006831 A006832 A006833`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane.`
	STATUS	`approved`

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Last modified January 20 04:14 EST 2019. Contains 319323 sequences. (Running on oeis4.)