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A125346
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Number of base 9 circular n-digit numbers with adjacent digits differing by 4 or less.
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0
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1, 9, 61, 369, 2501, 17259, 120367, 842739, 5910189, 41476599, 291156071, 2044081081, 14351282807, 100760813695, 707450453645, 4967087326989, 34874511797933, 244858234557953, 1719180148930309, 12070578961004535
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refs;
listen;
history;
text;
internal format)
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