id:A047694 - OEIS Search Results

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

+0
2

-1, 0, 2, 7, 15, 74, 767 (list; graph; listen)

	OFFSET	`0,3`
	REFERENCES	`R. K. Guy, Unsolved Problems in Number Theory, Section D3.`
	CROSSREFS	`Cf. A047695.` `Sequence in context: A096690 A050612 A120110 this_sequence A129666 A135781 A167236` `Adjacent sequences: A047691 A047692 A047693 this_sequence A047695 A047696 A047697`
	KEYWORD	`sign,fini,full,nice`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.