id:A163373 - OEIS Search Results

Search: id:A163373

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phi(phi(sigma(n)))

+0
1

1, 1, 1, 2, 1, 2, 2, 4, 4, 2, 2, 4, 2, 4, 4, 8, 2, 8, 4, 4, 8, 4, 4, 8, 8, 4, 8, 8, 4, 8, 8, 12, 8, 6, 8, 24, 6, 8, 8, 8, 4, 16, 8, 8, 8, 8, 8, 16, 12, 16 (list; graph; listen)

	OFFSET	`1,4`
	COMMENT	`a(n) = A000010(A000010(A000203(n))) = A000010(A062401(n)) = A010554(A000203(n)).`
	CROSSREFS	`Sequence in context: A020475 A131183 A133770 this_sequence A117193 A026832 A089408` `Adjacent sequences: A163370 A163371 A163372 this_sequence A163374 A163375 A163376`
	KEYWORD	`nonn`
	AUTHOR	`Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Jul 25 2009`

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Last modified November 22 20:51 EST 2009. Contains 167312 sequences.

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