A053981 - OEIS

This site is supported by donations to The OEIS Foundation.

A053981

A fourth order generalization of the Mobius function of n.

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	REFERENCES	`Compares the exponents of the factors of the canonical prime factorization of n with 4 as detailed in A053864.`
	CROSSREFS	`Cf. A008683, A053864, A053865.` `Sequence in context: A015280 A015156 A016303 * A119664 A016266 A016192` `Adjacent sequences: A053978 A053979 A053980 * A053982 A053983 A053984`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Apr 08 2000`

Content is available under The OEIS End-User License Agreement .

Last modified February 16 19:23 EST 2012. Contains 205945 sequences.