A047695 - OEIS

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A047695

y such that y^2=C(x,0)+C(x,1)+C(x,2)+C(x,3) is soluble.

0, 1, 2, 8, 24, 260, 8672 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	REFERENCES	`R. K. Guy, Unsolved Problems in Number Theory, Section D3.`
	CROSSREFS	`Cf. A047694.` `Sequence in context: A088994 A141598 A071599 * A093842 A050971 A118855` `Adjacent sequences: A047692 A047693 A047694 * A047696 A047697 A047698`
	KEYWORD	`nonn,fini,full,nice`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 05:55 EST 2012. Contains 205860 sequences.