id:A008845 - OEIS Search Results

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n+1 and n/2+1 are squares.

+0
1

0, 48, 1680, 57120, 1940448, 65918160, 2239277040, 76069501248, 2584123765440, 87784138523760, 2982076586042448, 101302819786919520, 3441313796169221280, 116903366249966604048, 3971273138702695316400 (list; graph; listen)

	OFFSET	`0,2`
	REFERENCES	`A. H. Beiler, Recreations in the Theory of Numbers, Dover, NY, 1964, p. 256.`
	FORMULA	`Equals A008844 - 1.`
	EXAMPLE	`48+1=49=7^2 and 48/2+1=24+1=25=5^2.`
	CROSSREFS	`Sequence in context: A062195 A004386 A076003 this_sequence A049678 A063822 A009992` `Adjacent sequences: A008842 A008843 A008844 this_sequence A008846 A008847 A008848`
	KEYWORD	`nonn,easy`
	AUTHOR	`njas`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research