id:A122904 - OEIS Search Results

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Numbers n such that in Z/nZ the number of squares is strictly less than the number of invertible elements.

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5

5, 7, 8, 9, 11, 13, 15, 16, 17, 19, 20, 21, 23, 24, 25, 27, 28, 29, 31, 32, 33, 35, 36, 37, 39, 40, 41, 43, 44, 45, 47, 48, 49, 51, 52, 53, 55, 56, 57, 59, 60, 61, 63, 64, 65, 67, 68, 69, 71, 72, 73, 75, 76, 77, 79, 80, 81, 83, 84, 85, 87, 88, 89, 91, 92, 93, 95, 96, 97, 99, 100 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`n such that A000224(n) < A000010(n)`
	CROSSREFS	`Cf. A122903, A122905, A122906, A122907.` `Sequence in context: A111339 A166460 A118742 this_sequence A104693 A031221 A137469` `Adjacent sequences: A122901 A122902 A122903 this_sequence A122905 A122906 A122907`
	KEYWORD	`nonn`
	AUTHOR	`Max Alekseyev (maxale(AT)gmail.com), Sep 18 2006`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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