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A006830 From fundamental unit of Z[ (-n)^1/4 ].
(Formerly M3349)
3
-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 October 18 14:52 EDT 2019. Contains 328161 sequences. (Running on oeis4.)