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485, 969, 1453, 1937, 2421, 2905, 3389, 3873, 4357, 4841, 5325, 5809, 6293, 6777, 7261, 7745, 8229, 8713, 9197, 9681, 10165, 10649, 11133, 11617, 12101, 12585, 13069, 13553, 14037, 14521, 15005, 15489, 15973, 16457, 16941, 17425, 17909
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OFFSET
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1,1
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COMMENTS
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The identity (484*n+1)^2-(484*n^2+2*n)*(22)^2=1 can be written as a(n)^2-A158325(n)*(22)^2=1.
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LINKS
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FORMULA
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G.f.: x*(485-x)/(1-x)^2.
a(n) = 2*a(n-1)-a(n-2).
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MATHEMATICA
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LinearRecurrence[{2, -1}, {485, 969}, 50]
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PROG
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(Magma) I:=[485, 969]; [n le 2 select I[n] else 2*Self(n-1)-Self(n-2): n in [1..50]];
(PARI) a(n) = 484*n + 1.
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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