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A083000 Values of x for which 9y^2 = x^2 + 2xy - 2x has integer solutions with positive y. +0
1
3, 18, 338, 2883, 24642, 486098, 4155987, 35532450, 700951682, 5992929075, 51237766962 (list; graph; listen)
OFFSET

1,1

COMMENT

From the x and y values, one can derive some z's such that 10z^2-9 is a square (A052454): z = x+y-1. Other A052454 values can be derived from A046195.

CROSSREFS

Cf. A046195, A052454.

Adjacent sequences: A082997 A082998 A082999 this_sequence A083001 A083002 A083003

Sequence in context: A038061 A128775 A102100 this_sequence A118704 A132514 A070953

KEYWORD

nonn

AUTHOR

Jon Perry (perry(AT)globalnet.co.uk), May 30 2003

EXTENSIONS

Edited by Don Reble (djr(AT)nk.ca), Nov 07 2005

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.


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