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A206371
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a(n) = 31*2^n + 1.
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4
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32, 63, 125, 249, 497, 993, 1985, 3969, 7937, 15873, 31745, 63489, 126977, 253953, 507905, 1015809, 2031617, 4063233, 8126465, 16252929, 32505857, 65011713, 130023425, 260046849, 520093697, 1040187393, 2080374785, 4160749569, 8321499137, 16642998273
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OFFSET
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0,1
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LINKS
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FORMULA
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a(n) = 31*2^n + 1.
G.f.: (32-33*x)/((1-x)*(1-2*x)).
E.g.f.: exp(x) + 31*exp(2*x). (End)
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MATHEMATICA
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PROG
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(Magma) [31*2^n +1 : n in [0..35]];
(SageMath) [1+31*2^n for n in range(51)] # G. C. Greubel, Jan 05 2023
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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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