id:A034901 - OEIS Search Results

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a(n) is square mod a(i), i < n; a(n) nonsquare.

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2, 3, 6, 7, 15, 21, 30, 39, 51, 120, 204, 480, 816, 849, 2041, 2185, 4785, 19140, 21505, 43065, 44080, 49504, 59185, 172260, 176320, 178465, 236740, 387585, 443521, 552601, 1774084, 2210404, 2310385, 3991689, 4973409, 5371081, 7096336 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A032882 A125167 A137604 this_sequence A109976 A011768 A052487` `Adjacent sequences: A034898 A034899 A034900 this_sequence A034902 A034903 A034904`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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