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287, 575, 863, 1151, 1439, 1727, 2015, 2303, 2591, 2879, 3167, 3455, 3743, 4031, 4319, 4607, 4895, 5183, 5471, 5759, 6047, 6335, 6623, 6911, 7199, 7487, 7775, 8063, 8351, 8639, 8927, 9215, 9503, 9791, 10079, 10367, 10655, 10943, 11231, 11519
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OFFSET
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1,1
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COMMENTS
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The identity (288*n-1)^2-(144*n^2-n)*(24)^2=1 can be written as a(n)^2-A156635(n)*(24)^2=1.
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LINKS
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FORMULA
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a(n) = 2*a(n-1)-a(n-2).
G.f.: x*(287+x)/(1-x)^2.
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MATHEMATICA
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LinearRecurrence[{2, -1}, {287, 575}, 50]
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PROG
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(Magma) I:=[287, 575]; [n le 2 select I[n] else 2*Self(n-1)-Self(n-2): n in [1..50]];
(PARI) a(n) = 288*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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