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A158365 a(n)=529*n-1 (n>0) +0
3
528, 1057, 1586, 2115, 2644, 3173, 3702, 4231, 4760, 5289, 5818, 6347, 6876, 7405, 7934, 8463, 8992, 9521, 10050, 10579, 11108, 11637, 12166, 12695, 13224, 13753, 14282, 14811, 15340, 15869, 16398, 16927, 17456, 17985, 18514, 19043, 19572 (list; graph; listen)
OFFSET

1,1

COMMENT

If A=[A158364] 529*n.^2-2*n (n>0, 527, 2112, 4755,.,); Y=[A010862] 23 (23, 23, 23 ,.,); X=[A158365] 529*n-1 (n>0, 528, 1057, 1586, .,), we have, for all terms, Pell's equation X^2-A*Y^2=1. Example: 528^2-527*23^2=1; 1057^2-2112*23^2=1; 1586^2-4755*23^2=1.

LINKS

Edward Everett Withford, Pell Equation

Vincenzo Librandi, X^2-AY^2=1

Wolfram MathWorld, Pell Equation

FORMULA

a(n)=529*n-1 (n>0)

EXAMPLE

For n=1, a(1)=528; n=2, a(2)=1057; n=3, a(3)=1586

CROSSREFS

Cf. A010862, A158364

Sequence in context: A158364 A085329 A157475 this_sequence A076580 A037944 A059465

Adjacent sequences: A158362 A158363 A158364 this_sequence A158366 A158367 A158368

KEYWORD

nonn

AUTHOR

Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Mar 17 2009

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


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