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A275158
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Numbers n such that A003144(n) = floor(alpha*n) + 1, where alpha = 1.839... is the positive real zero of x^3-x^2-x-1.
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4
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12737, 13241, 15873, 16377, 32250, 32754, 48627, 49131, 68140, 78749, 79253, 81885, 82389, 84517, 85021, 98262, 98766, 101398, 101902, 114639, 115143, 117775, 118279, 134152, 134656, 153665, 154169, 170042, 170546, 200164, 200668, 203300, 203804, 219677, 220181, 222813, 236054, 236558, 239190
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OFFSET
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1,1
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COMMENTS
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Also positions of -1's in A275926. - N. J. A. Sloane, Mar 16 2019
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LINKS
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Table of n, a(n) for n=1..39.
F. Michel Dekking, Jeffrey Shallit, and N. J. A. Sloane, Queens in exile: non-attacking queens on infinite chess boards, Electronic J. Combin., 27:1 (2020), #P1.52.
Jeffrey Shallit, Tribonacci Facts, Nov 03 2017
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CROSSREFS
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Cf. A003144, A275926, A278352, A278353.
Sequence in context: A254507 A254514 A254814 * A206979 A206973 A206576
Adjacent sequences: A275155 A275156 A275157 * A275159 A275160 A275161
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KEYWORD
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nonn
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AUTHOR
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Jeffrey Shallit, Nov 19 2016
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STATUS
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approved
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