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A293949
Arises in a coin-weighing problem.
0
1, 1, 3, 6, 16, 41, 99, 235, 565, 1347, 3187, 7515, 17691, 41523, 97240, 227361, 530859, 1237881, 2883475, 6710758, 15606075, 36268307, 84239608, 195567275, 453832309, 1052784046, 2441461427, 5660381126, 13120263173, 30405643251, 70451852483, 163217723702, 378083386517
OFFSET
0,3
COMMENTS
The maximum number of coins that can be processed in n weighings where all coins are real except for one LHR-coin starting in an unknown state. - Robert Price, Nov 30 2017
LINKS
Tanya Khovanova and Konstantin Knop, Coins that Change Their Weights, arXiv:1611.09201 [math.CO], 2016. See Section 7.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Oct 28 2017
EXTENSIONS
a(8)-a(32) from Robert Price, Nov 30 2017
STATUS
approved