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A125408
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Number of base 20 circular n-digit numbers with adjacent digits differing by 6 or less.
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0
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1, 20, 218, 1994, 21078, 227450, 2509508, 28044008, 316237326, 3587876114, 40876370578, 467018577782, 5345948876388, 61273602792708, 702905295827666, 8068104827974874, 92643421204990558, 1064070251138125106
(list;
graph;
refs;
listen;
history;
text;
internal format)
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