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A124704
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Number of base 11 circular n-digit numbers with adjacent digits differing by 1 or less.
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0
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1, 11, 31, 71, 187, 491, 1327, 3623, 10003, 27827, 77911, 219263, 619747, 1758131, 5003239, 14276831, 40836163, 117049091, 336123463, 966831503, 2785160227, 8034032147, 23203096519, 67087148063, 194165268355, 562477731491
(list; graph; refs; listen; history; internal format)
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